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Finding the Fourth Proportional to 556,001.92, 833,686.53 and 218,859.77

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Solution

The fourth proportional to 556,001.92, 833,686.53 and 218,859.77 is: 328,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,001.92 : 833,686.53 = 218,859.77 : x
  2. Step 2: Convert to fraction form
    556,001.92/833,686.53 = 218,859.77/x
  3. Step 3: Cross multiply
    556,001.92x = 833,686.53 × 218,859.77
  4. Step 4: Simplify right side
    556,001.92x = 182,460,443,471.39
  5. Step 5: Solve for x
    x = 182,460,443,471.39/556,001.92
  6. Step 6: Final answer
    x = 328,165.13

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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.