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Finding the Fourth Proportional to 575,864.91, 863,963.38 and 176,564.58

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Solution

The fourth proportional to 575,864.91, 863,963.38 and 176,564.58 is: 264,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,864.91 : 863,963.38 = 176,564.58 : x
  2. Step 2: Convert to fraction form
    575,864.91/863,963.38 = 176,564.58/x
  3. Step 3: Cross multiply
    575,864.91x = 863,963.38 × 176,564.58
  4. Step 4: Simplify right side
    575,864.91x = 152,545,328,305.92
  5. Step 5: Solve for x
    x = 152,545,328,305.92/575,864.91
  6. Step 6: Final answer
    x = 264,897.77

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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.