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Finding the Fourth Proportional to 616,086.40, 924,436.80 and 350,051.20

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Solution

The fourth proportional to 616,086.40, 924,436.80 and 350,051.20 is: 525,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,086.40 : 924,436.80 = 350,051.20 : x
  2. Step 2: Convert to fraction form
    616,086.40/924,436.80 = 350,051.20/x
  3. Step 3: Cross multiply
    616,086.40x = 924,436.80 × 350,051.20
  4. Step 4: Simplify right side
    616,086.40x = 323,600,211,164.16
  5. Step 5: Solve for x
    x = 323,600,211,164.16/616,086.40
  6. Step 6: Final answer
    x = 525,251.35

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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.