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Finding the Fourth Proportional to 573,500.03, 791,428.88 and 328,564.10

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Solution

The fourth proportional to 573,500.03, 791,428.88 and 328,564.10 is: 453,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,500.03 : 791,428.88 = 328,564.10 : x
  2. Step 2: Convert to fraction form
    573,500.03/791,428.88 = 328,564.10/x
  3. Step 3: Cross multiply
    573,500.03x = 791,428.88 × 328,564.10
  4. Step 4: Simplify right side
    573,500.03x = 260,035,120,471.19
  5. Step 5: Solve for x
    x = 260,035,120,471.19/573,500.03
  6. Step 6: Final answer
    x = 453,417.80

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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.