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Finding the Fourth Proportional to 466,307.40, 699,461.10 and 429,565.80

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Solution

The fourth proportional to 466,307.40, 699,461.10 and 429,565.80 is: 644,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,307.40 : 699,461.10 = 429,565.80 : x
  2. Step 2: Convert to fraction form
    466,307.40/699,461.10 = 429,565.80/x
  3. Step 3: Cross multiply
    466,307.40x = 699,461.10 × 429,565.80
  4. Step 4: Simplify right side
    466,307.40x = 300,464,566,990.38
  5. Step 5: Solve for x
    x = 300,464,566,990.38/466,307.40
  6. Step 6: Final answer
    x = 644,348.70

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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.