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Finding the Fourth Proportional to 402,055.01, 554,797.73 and 240,880.13

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Solution

The fourth proportional to 402,055.01, 554,797.73 and 240,880.13 is: 332,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,055.01 : 554,797.73 = 240,880.13 : x
  2. Step 2: Convert to fraction form
    402,055.01/554,797.73 = 240,880.13/x
  3. Step 3: Cross multiply
    402,055.01x = 554,797.73 × 240,880.13
  4. Step 4: Simplify right side
    402,055.01x = 133,639,748,121.70
  5. Step 5: Solve for x
    x = 133,639,748,121.70/402,055.01
  6. Step 6: Final answer
    x = 332,391.70

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1.5x scale

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.