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Finding the Fourth Proportional to 575,424.90, 864,044.55 and 338,948.10

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Solution

The fourth proportional to 575,424.90, 864,044.55 and 338,948.10 is: 508,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,424.90 : 864,044.55 = 338,948.10 : x
  2. Step 2: Convert to fraction form
    575,424.90/864,044.55 = 338,948.10/x
  3. Step 3: Cross multiply
    575,424.90x = 864,044.55 × 338,948.10
  4. Step 4: Simplify right side
    575,424.90x = 292,866,258,537.86
  5. Step 5: Solve for x
    x = 292,866,258,537.86/575,424.90
  6. Step 6: Final answer
    x = 508,956.53

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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.