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Finding the Fourth Proportional to 418,590.28, 577,617.06 and 232,326.64

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Solution

The fourth proportional to 418,590.28, 577,617.06 and 232,326.64 is: 320,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,590.28 : 577,617.06 = 232,326.64 : x
  2. Step 2: Convert to fraction form
    418,590.28/577,617.06 = 232,326.64/x
  3. Step 3: Cross multiply
    418,590.28x = 577,617.06 × 232,326.64
  4. Step 4: Simplify right side
    418,590.28x = 134,195,830,756.48
  5. Step 5: Solve for x
    x = 134,195,830,756.48/418,590.28
  6. Step 6: Final answer
    x = 320,589.94

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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.