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Finding the Fourth Proportional to 304,658,387.88, 456,668,630.80 and 127,497,032.83

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Solution

The fourth proportional to 304,658,387.88, 456,668,630.80 and 127,497,032.83 is: 191,112,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,658,387.88 : 456,668,630.80 = 127,497,032.83 : x
  2. Step 2: Convert to fraction form
    304,658,387.88/456,668,630.80 = 127,497,032.83/x
  3. Step 3: Cross multiply
    304,658,387.88x = 456,668,630.80 × 127,497,032.83
  4. Step 4: Simplify right side
    304,658,387.88x = 58,223,895,411,224,360
  5. Step 5: Solve for x
    x = 58,223,895,411,224,360/304,658,387.88
  6. Step 6: Final answer
    x = 191,112,070.85

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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.