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Finding the Fourth Proportional to 418,343.79, 577,292.28 and 237,057.89

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Solution

The fourth proportional to 418,343.79, 577,292.28 and 237,057.89 is: 327,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,343.79 : 577,292.28 = 237,057.89 : x
  2. Step 2: Convert to fraction form
    418,343.79/577,292.28 = 237,057.89/x
  3. Step 3: Cross multiply
    418,343.79x = 577,292.28 × 237,057.89
  4. Step 4: Simplify right side
    418,343.79x = 136,851,686,923.63
  5. Step 5: Solve for x
    x = 136,851,686,923.63/418,343.79
  6. Step 6: Final answer
    x = 327,127.33

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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.