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Finding the Fourth Proportional to 418,181.48, 577,118.99 and 236,894.90

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Solution

The fourth proportional to 418,181.48, 577,118.99 and 236,894.90 is: 326,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,181.48 : 577,118.99 = 236,894.90 : x
  2. Step 2: Convert to fraction form
    418,181.48/577,118.99 = 236,894.90/x
  3. Step 3: Cross multiply
    418,181.48x = 577,118.99 × 236,894.90
  4. Step 4: Simplify right side
    418,181.48x = 136,716,545,044.55
  5. Step 5: Solve for x
    x = 136,716,545,044.55/418,181.48
  6. Step 6: Final answer
    x = 326,931.13

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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.