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Finding the Fourth Proportional to 884,108.40, 1,326,335.40 and 351,538.80

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Solution

The fourth proportional to 884,108.40, 1,326,335.40 and 351,538.80 is: 527,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,108.40 : 1,326,335.40 = 351,538.80 : x
  2. Step 2: Convert to fraction form
    884,108.40/1,326,335.40 = 351,538.80/x
  3. Step 3: Cross multiply
    884,108.40x = 1,326,335.40 × 351,538.80
  4. Step 4: Simplify right side
    884,108.40x = 466,258,354,913.52
  5. Step 5: Solve for x
    x = 466,258,354,913.52/884,108.40
  6. Step 6: Final answer
    x = 527,376.91

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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.