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Finding the Fourth Proportional to 418,165.77, 577,027.13 and 236,841.51

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Solution

The fourth proportional to 418,165.77, 577,027.13 and 236,841.51 is: 326,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,165.77 : 577,027.13 = 236,841.51 : x
  2. Step 2: Convert to fraction form
    418,165.77/577,027.13 = 236,841.51/x
  3. Step 3: Cross multiply
    418,165.77x = 577,027.13 × 236,841.51
  4. Step 4: Simplify right side
    418,165.77x = 136,663,975,595.96
  5. Step 5: Solve for x
    x = 136,663,975,595.96/418,165.77
  6. Step 6: Final answer
    x = 326,817.70

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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.