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Finding the Fourth Proportional to 418,774.17, 578,011.01 and 237,592.16

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Solution

The fourth proportional to 418,774.17, 578,011.01 and 237,592.16 is: 327,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,774.17 : 578,011.01 = 237,592.16 : x
  2. Step 2: Convert to fraction form
    418,774.17/578,011.01 = 237,592.16/x
  3. Step 3: Cross multiply
    418,774.17x = 578,011.01 × 237,592.16
  4. Step 4: Simplify right side
    418,774.17x = 137,330,884,369.68
  5. Step 5: Solve for x
    x = 137,330,884,369.68/418,774.17
  6. Step 6: Final answer
    x = 327,935.42

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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.