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Finding the Fourth Proportional to 584,235.60, 876,353.40 and 572,425.80

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Solution

The fourth proportional to 584,235.60, 876,353.40 and 572,425.80 is: 858,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,235.60 : 876,353.40 = 572,425.80 : x
  2. Step 2: Convert to fraction form
    584,235.60/876,353.40 = 572,425.80/x
  3. Step 3: Cross multiply
    584,235.60x = 876,353.40 × 572,425.80
  4. Step 4: Simplify right side
    584,235.60x = 501,647,296,077.72
  5. Step 5: Solve for x
    x = 501,647,296,077.72/584,235.60
  6. Step 6: Final answer
    x = 858,638.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.