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Finding the Fourth Proportional to 359,144,889.50, 495,619,728.28 and 194,132,459.00

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Solution

The fourth proportional to 359,144,889.50, 495,619,728.28 and 194,132,459.00 is: 267,902,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,144,889.50 : 495,619,728.28 = 194,132,459.00 : x
  2. Step 2: Convert to fraction form
    359,144,889.50/495,619,728.28 = 194,132,459.00/x
  3. Step 3: Cross multiply
    359,144,889.50x = 495,619,728.28 × 194,132,459.00
  4. Step 4: Simplify right side
    359,144,889.50x = 96,215,876,579,264,320
  5. Step 5: Solve for x
    x = 96,215,876,579,264,320/359,144,889.50
  6. Step 6: Final answer
    x = 267,902,674.92

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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.