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Finding the Fourth Proportional to 616,659.84, 924,428.40 and 237,338.40

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Solution

The fourth proportional to 616,659.84, 924,428.40 and 237,338.40 is: 355,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,659.84 : 924,428.40 = 237,338.40 : x
  2. Step 2: Convert to fraction form
    616,659.84/924,428.40 = 237,338.40/x
  3. Step 3: Cross multiply
    616,659.84x = 924,428.40 × 237,338.40
  4. Step 4: Simplify right side
    616,659.84x = 219,402,357,370.56
  5. Step 5: Solve for x
    x = 219,402,357,370.56/616,659.84
  6. Step 6: Final answer
    x = 355,791.55

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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.