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Finding the Fourth Proportional to 602,590,908.60, 903,662,414.10 and 239,010,031.80

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Solution

The fourth proportional to 602,590,908.60, 903,662,414.10 and 239,010,031.80 is: 358,426,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,590,908.60 : 903,662,414.10 = 239,010,031.80 : x
  2. Step 2: Convert to fraction form
    602,590,908.60/903,662,414.10 = 239,010,031.80/x
  3. Step 3: Cross multiply
    602,590,908.60x = 903,662,414.10 × 239,010,031.80
  4. Step 4: Simplify right side
    602,590,908.60x = 215,984,382,330,505,792
  5. Step 5: Solve for x
    x = 215,984,382,330,505,792/602,590,908.60
  6. Step 6: Final answer
    x = 358,426,221.25

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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.