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Finding the Fourth Proportional to 422,896,446.64, 583,549,762.87 and 234,732,672.41

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Solution

The fourth proportional to 422,896,446.64, 583,549,762.87 and 234,732,672.41 is: 323,904,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,896,446.64 : 583,549,762.87 = 234,732,672.41 : x
  2. Step 2: Convert to fraction form
    422,896,446.64/583,549,762.87 = 234,732,672.41/x
  3. Step 3: Cross multiply
    422,896,446.64x = 583,549,762.87 × 234,732,672.41
  4. Step 4: Simplify right side
    422,896,446.64x = 136,978,195,319,120,784
  5. Step 5: Solve for x
    x = 136,978,195,319,120,784/422,896,446.64
  6. Step 6: Final answer
    x = 323,904,815.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.