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Finding the Fourth Proportional to 543,603.96, 750,548.78 and 339,746.52

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Solution

The fourth proportional to 543,603.96, 750,548.78 and 339,746.52 is: 469,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,603.96 : 750,548.78 = 339,746.52 : x
  2. Step 2: Convert to fraction form
    543,603.96/750,548.78 = 339,746.52/x
  3. Step 3: Cross multiply
    543,603.96x = 750,548.78 × 339,746.52
  4. Step 4: Simplify right side
    543,603.96x = 254,996,336,095.25
  5. Step 5: Solve for x
    x = 254,996,336,095.25/543,603.96
  6. Step 6: Final answer
    x = 469,084.77

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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.