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Finding the Fourth Proportional to 573,274,391.04, 859,902,945.12 and 257,917,713.06

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Solution

The fourth proportional to 573,274,391.04, 859,902,945.12 and 257,917,713.06 is: 386,872,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,274,391.04 : 859,902,945.12 = 257,917,713.06 : x
  2. Step 2: Convert to fraction form
    573,274,391.04/859,902,945.12 = 257,917,713.06/x
  3. Step 3: Cross multiply
    573,274,391.04x = 859,902,945.12 × 257,917,713.06
  4. Step 4: Simplify right side
    573,274,391.04x = 221,784,201,058,909,088
  5. Step 5: Solve for x
    x = 221,784,201,058,909,088/573,274,391.04
  6. Step 6: Final answer
    x = 386,872,681.78

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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.