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Finding the Fourth Proportional to 524,892.51, 724,123.51 and 320,951.92

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Solution

The fourth proportional to 524,892.51, 724,123.51 and 320,951.92 is: 442,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,892.51 : 724,123.51 = 320,951.92 : x
  2. Step 2: Convert to fraction form
    524,892.51/724,123.51 = 320,951.92/x
  3. Step 3: Cross multiply
    524,892.51x = 724,123.51 × 320,951.92
  4. Step 4: Simplify right side
    524,892.51x = 232,408,830,851.64
  5. Step 5: Solve for x
    x = 232,408,830,851.64/524,892.51
  6. Step 6: Final answer
    x = 442,774.14

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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.