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Finding the Fourth Proportional to 584,069.40, 876,104.10 and 395,112.60

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Solution

The fourth proportional to 584,069.40, 876,104.10 and 395,112.60 is: 592,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,069.40 : 876,104.10 = 395,112.60 : x
  2. Step 2: Convert to fraction form
    584,069.40/876,104.10 = 395,112.60/x
  3. Step 3: Cross multiply
    584,069.40x = 876,104.10 × 395,112.60
  4. Step 4: Simplify right side
    584,069.40x = 346,159,768,821.66
  5. Step 5: Solve for x
    x = 346,159,768,821.66/584,069.40
  6. Step 6: Final answer
    x = 592,668.90

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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.