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Finding the Fourth Proportional to 625,570.80, 938,212.24 and 372,922.60

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Solution

The fourth proportional to 625,570.80, 938,212.24 and 372,922.60 is: 559,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,570.80 : 938,212.24 = 372,922.60 : x
  2. Step 2: Convert to fraction form
    625,570.80/938,212.24 = 372,922.60/x
  3. Step 3: Cross multiply
    625,570.80x = 938,212.24 × 372,922.60
  4. Step 4: Simplify right side
    625,570.80x = 349,880,547,892.62
  5. Step 5: Solve for x
    x = 349,880,547,892.62/625,570.80
  6. Step 6: Final answer
    x = 559,298.08

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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.