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Finding the Fourth Proportional to 404,927,862.52, 607,495,370.12 and 117,713,526.52

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Solution

The fourth proportional to 404,927,862.52, 607,495,370.12 and 117,713,526.52 is: 176,600,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,927,862.52 : 607,495,370.12 = 117,713,526.52 : x
  2. Step 2: Convert to fraction form
    404,927,862.52/607,495,370.12 = 117,713,526.52/x
  3. Step 3: Cross multiply
    404,927,862.52x = 607,495,370.12 × 117,713,526.52
  4. Step 4: Simplify right side
    404,927,862.52x = 71,510,422,361,397,832
  5. Step 5: Solve for x
    x = 71,510,422,361,397,832/404,927,862.52
  6. Step 6: Final answer
    x = 176,600,399.68

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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.