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Finding the Fourth Proportional to 488,659.70, 732,989.55 and 488,659.70

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Solution

The fourth proportional to 488,659.70, 732,989.55 and 488,659.70 is: 732,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,659.70 : 732,989.55 = 488,659.70 : x
  2. Step 2: Convert to fraction form
    488,659.70/732,989.55 = 488,659.70/x
  3. Step 3: Cross multiply
    488,659.70x = 732,989.55 × 488,659.70
  4. Step 4: Simplify right side
    488,659.70x = 358,182,453,606.14
  5. Step 5: Solve for x
    x = 358,182,453,606.14/488,659.70
  6. Step 6: Final answer
    x = 732,989.55

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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.