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Finding the Fourth Proportional to 531,209.76, 733,069.48 and 292,745.76

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Solution

The fourth proportional to 531,209.76, 733,069.48 and 292,745.76 is: 403,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,209.76 : 733,069.48 = 292,745.76 : x
  2. Step 2: Convert to fraction form
    531,209.76/733,069.48 = 292,745.76/x
  3. Step 3: Cross multiply
    531,209.76x = 733,069.48 × 292,745.76
  4. Step 4: Simplify right side
    531,209.76x = 214,602,982,055.41
  5. Step 5: Solve for x
    x = 214,602,982,055.41/531,209.76
  6. Step 6: Final answer
    x = 403,989.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.