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Finding the Fourth Proportional to 488,797,676.40, 732,239,920.80 and 294,130,838.10

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Solution

The fourth proportional to 488,797,676.40, 732,239,920.80 and 294,130,838.10 is: 440,620,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,797,676.40 : 732,239,920.80 = 294,130,838.10 : x
  2. Step 2: Convert to fraction form
    488,797,676.40/732,239,920.80 = 294,130,838.10/x
  3. Step 3: Cross multiply
    488,797,676.40x = 732,239,920.80 × 294,130,838.10
  4. Step 4: Simplify right side
    488,797,676.40x = 215,374,341,595,181,632
  5. Step 5: Solve for x
    x = 215,374,341,595,181,632/488,797,676.40
  6. Step 6: Final answer
    x = 440,620,633.02

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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.