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Finding the Fourth Proportional to 488,326,073.20, 732,489,109.80 and 396,493,068.40

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Solution

The fourth proportional to 488,326,073.20, 732,489,109.80 and 396,493,068.40 is: 594,739,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,326,073.20 : 732,489,109.80 = 396,493,068.40 : x
  2. Step 2: Convert to fraction form
    488,326,073.20/732,489,109.80 = 396,493,068.40/x
  3. Step 3: Cross multiply
    488,326,073.20x = 732,489,109.80 × 396,493,068.40
  4. Step 4: Simplify right side
    488,326,073.20x = 290,426,854,714,186,496
  5. Step 5: Solve for x
    x = 290,426,854,714,186,496/488,326,073.20
  6. Step 6: Final answer
    x = 594,739,602.60

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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.