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Finding the Fourth Proportional to 488,396,951.70, 732,595,427.55 and 294,686,707.20

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Solution

The fourth proportional to 488,396,951.70, 732,595,427.55 and 294,686,707.20 is: 442,030,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,396,951.70 : 732,595,427.55 = 294,686,707.20 : x
  2. Step 2: Convert to fraction form
    488,396,951.70/732,595,427.55 = 294,686,707.20/x
  3. Step 3: Cross multiply
    488,396,951.70x = 732,595,427.55 × 294,686,707.20
  4. Step 4: Simplify right side
    488,396,951.70x = 215,886,134,254,485,632
  5. Step 5: Solve for x
    x = 215,886,134,254,485,632/488,396,951.70
  6. Step 6: Final answer
    x = 442,030,060.80

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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.