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Finding the Fourth Proportional to 418,166.52, 577,028.16 and 236,842.26

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Solution

The fourth proportional to 418,166.52, 577,028.16 and 236,842.26 is: 326,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,166.52 : 577,028.16 = 236,842.26 : x
  2. Step 2: Convert to fraction form
    418,166.52/577,028.16 = 236,842.26/x
  3. Step 3: Cross multiply
    418,166.52x = 577,028.16 × 236,842.26
  4. Step 4: Simplify right side
    418,166.52x = 136,664,653,498.04
  5. Step 5: Solve for x
    x = 136,664,653,498.04/418,166.52
  6. Step 6: Final answer
    x = 326,818.74

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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.