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Finding the Fourth Proportional to 932,602.90, 1,398,904.35 and 649,167.70

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Solution

The fourth proportional to 932,602.90, 1,398,904.35 and 649,167.70 is: 973,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,602.90 : 1,398,904.35 = 649,167.70 : x
  2. Step 2: Convert to fraction form
    932,602.90/1,398,904.35 = 649,167.70/x
  3. Step 3: Cross multiply
    932,602.90x = 1,398,904.35 × 649,167.70
  4. Step 4: Simplify right side
    932,602.90x = 908,123,519,409.50
  5. Step 5: Solve for x
    x = 908,123,519,409.50/932,602.90
  6. Step 6: Final answer
    x = 973,751.55

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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.