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Finding the Fourth Proportional to 488,515.70, 732,946.35 and 471,235.70

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Solution

The fourth proportional to 488,515.70, 732,946.35 and 471,235.70 is: 707,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,515.70 : 732,946.35 = 471,235.70 : x
  2. Step 2: Convert to fraction form
    488,515.70/732,946.35 = 471,235.70/x
  3. Step 3: Cross multiply
    488,515.70x = 732,946.35 × 471,235.70
  4. Step 4: Simplify right side
    488,515.70x = 345,390,486,304.70
  5. Step 5: Solve for x
    x = 345,390,486,304.70/488,515.70
  6. Step 6: Final answer
    x = 707,020.24

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1.5x scale

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.