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Finding the Fourth Proportional to 423,637.89, 584,618.17 and 230,043.88

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Solution

The fourth proportional to 423,637.89, 584,618.17 and 230,043.88 is: 317,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,637.89 : 584,618.17 = 230,043.88 : x
  2. Step 2: Convert to fraction form
    423,637.89/584,618.17 = 230,043.88/x
  3. Step 3: Cross multiply
    423,637.89x = 584,618.17 × 230,043.88
  4. Step 4: Simplify right side
    423,637.89x = 134,487,830,240.54
  5. Step 5: Solve for x
    x = 134,487,830,240.54/423,637.89
  6. Step 6: Final answer
    x = 317,459.40

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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.