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Finding the Fourth Proportional to 572,703.60, 859,055.40 and 292,184.40

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Solution

The fourth proportional to 572,703.60, 859,055.40 and 292,184.40 is: 438,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,703.60 : 859,055.40 = 292,184.40 : x
  2. Step 2: Convert to fraction form
    572,703.60/859,055.40 = 292,184.40/x
  3. Step 3: Cross multiply
    572,703.60x = 859,055.40 × 292,184.40
  4. Step 4: Simplify right side
    572,703.60x = 251,002,586,615.76
  5. Step 5: Solve for x
    x = 251,002,586,615.76/572,703.60
  6. Step 6: Final answer
    x = 438,276.60

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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.