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Finding the Fourth Proportional to 333,737.76, 500,602.08 and 81,020.18

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Solution

The fourth proportional to 333,737.76, 500,602.08 and 81,020.18 is: 121,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,737.76 : 500,602.08 = 81,020.18 : x
  2. Step 2: Convert to fraction form
    333,737.76/500,602.08 = 81,020.18/x
  3. Step 3: Cross multiply
    333,737.76x = 500,602.08 × 81,020.18
  4. Step 4: Simplify right side
    333,737.76x = 40,558,870,629.97
  5. Step 5: Solve for x
    x = 40,558,870,629.97/333,737.76
  6. Step 6: Final answer
    x = 121,529.16

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1.5x scale

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.