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Finding the Fourth Proportional to 418,053.57, 576,921.52 and 236,803.13

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Solution

The fourth proportional to 418,053.57, 576,921.52 and 236,803.13 is: 326,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,053.57 : 576,921.52 = 236,803.13 : x
  2. Step 2: Convert to fraction form
    418,053.57/576,921.52 = 236,803.13/x
  3. Step 3: Cross multiply
    418,053.57x = 576,921.52 × 236,803.13
  4. Step 4: Simplify right side
    418,053.57x = 136,616,821,275.21
  5. Step 5: Solve for x
    x = 136,616,821,275.21/418,053.57
  6. Step 6: Final answer
    x = 326,792.62

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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.