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Finding the Fourth Proportional to 418,181.71, 577,119.29 and 236,895.13

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Solution

The fourth proportional to 418,181.71, 577,119.29 and 236,895.13 is: 326,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,181.71 : 577,119.29 = 236,895.13 : x
  2. Step 2: Convert to fraction form
    418,181.71/577,119.29 = 236,895.13/x
  3. Step 3: Cross multiply
    418,181.71x = 577,119.29 × 236,895.13
  4. Step 4: Simplify right side
    418,181.71x = 136,716,745,159.99
  5. Step 5: Solve for x
    x = 136,716,745,159.99/418,181.71
  6. Step 6: Final answer
    x = 326,931.44

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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.