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Finding the Fourth Proportional to 584,448.40, 876,672.60 and 372,941.20

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Solution

The fourth proportional to 584,448.40, 876,672.60 and 372,941.20 is: 559,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,448.40 : 876,672.60 = 372,941.20 : x
  2. Step 2: Convert to fraction form
    584,448.40/876,672.60 = 372,941.20/x
  3. Step 3: Cross multiply
    584,448.40x = 876,672.60 × 372,941.20
  4. Step 4: Simplify right side
    584,448.40x = 326,947,331,451.12
  5. Step 5: Solve for x
    x = 326,947,331,451.12/584,448.40
  6. Step 6: Final answer
    x = 559,411.80

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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.