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Finding the Fourth Proportional to 473,587.20, 710,348.40 and 153,734.40

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Solution

The fourth proportional to 473,587.20, 710,348.40 and 153,734.40 is: 230,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,587.20 : 710,348.40 = 153,734.40 : x
  2. Step 2: Convert to fraction form
    473,587.20/710,348.40 = 153,734.40/x
  3. Step 3: Cross multiply
    473,587.20x = 710,348.40 × 153,734.40
  4. Step 4: Simplify right side
    473,587.20x = 109,204,985,064.96
  5. Step 5: Solve for x
    x = 109,204,985,064.96/473,587.20
  6. Step 6: Final answer
    x = 230,591.08

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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.