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Finding the Fourth Proportional to 358,583,977.52, 495,074,368 and 292,661,723.13

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Solution

The fourth proportional to 358,583,977.52, 495,074,368 and 292,661,723.13 is: 404,059,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,583,977.52 : 495,074,368 = 292,661,723.13 : x
  2. Step 2: Convert to fraction form
    358,583,977.52/495,074,368 = 292,661,723.13/x
  3. Step 3: Cross multiply
    358,583,977.52x = 495,074,368 × 292,661,723.13
  4. Step 4: Simplify right side
    358,583,977.52x = 144,889,317,616,375,744
  5. Step 5: Solve for x
    x = 144,889,317,616,375,744/358,583,977.52
  6. Step 6: Final answer
    x = 404,059,653.25

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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.