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Finding the Fourth Proportional to 523,607.67, 785,456.60 and 144,528.47

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Solution

The fourth proportional to 523,607.67, 785,456.60 and 144,528.47 is: 216,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,607.67 : 785,456.60 = 144,528.47 : x
  2. Step 2: Convert to fraction form
    523,607.67/785,456.60 = 144,528.47/x
  3. Step 3: Cross multiply
    523,607.67x = 785,456.60 × 144,528.47
  4. Step 4: Simplify right side
    523,607.67x = 113,520,841,059.06
  5. Step 5: Solve for x
    x = 113,520,841,059.06/523,607.67
  6. Step 6: Final answer
    x = 216,805.15

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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.