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Finding the Fourth Proportional to 499,389.72, 749,159.16 and 183,822.63

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Solution

The fourth proportional to 499,389.72, 749,159.16 and 183,822.63 is: 275,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,389.72 : 749,159.16 = 183,822.63 : x
  2. Step 2: Convert to fraction form
    499,389.72/749,159.16 = 183,822.63/x
  3. Step 3: Cross multiply
    499,389.72x = 749,159.16 × 183,822.63
  4. Step 4: Simplify right side
    499,389.72x = 137,712,407,079.79
  5. Step 5: Solve for x
    x = 137,712,407,079.79/499,389.72
  6. Step 6: Final answer
    x = 275,761.40

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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.