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Finding the Fourth Proportional to 265,931.68, 366,641.04 and 220,443.04

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Solution

The fourth proportional to 265,931.68, 366,641.04 and 220,443.04 is: 303,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,931.68 : 366,641.04 = 220,443.04 : x
  2. Step 2: Convert to fraction form
    265,931.68/366,641.04 = 220,443.04/x
  3. Step 3: Cross multiply
    265,931.68x = 366,641.04 × 220,443.04
  4. Step 4: Simplify right side
    265,931.68x = 80,823,465,446.36
  5. Step 5: Solve for x
    x = 80,823,465,446.36/265,931.68
  6. Step 6: Final answer
    x = 303,925.68

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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.