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Finding the Fourth Proportional to 887,657.60, 1,330,708.80 and 532,294.40

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Solution

The fourth proportional to 887,657.60, 1,330,708.80 and 532,294.40 is: 797,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,657.60 : 1,330,708.80 = 532,294.40 : x
  2. Step 2: Convert to fraction form
    887,657.60/1,330,708.80 = 532,294.40/x
  3. Step 3: Cross multiply
    887,657.60x = 1,330,708.80 × 532,294.40
  4. Step 4: Simplify right side
    887,657.60x = 708,328,842,270.72
  5. Step 5: Solve for x
    x = 708,328,842,270.72/887,657.60
  6. Step 6: Final answer
    x = 797,975.30

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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.