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Finding the Fourth Proportional to 267,117.80, 400,547.10 and 148,663.40

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Solution

The fourth proportional to 267,117.80, 400,547.10 and 148,663.40 is: 222,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,117.80 : 400,547.10 = 148,663.40 : x
  2. Step 2: Convert to fraction form
    267,117.80/400,547.10 = 148,663.40/x
  3. Step 3: Cross multiply
    267,117.80x = 400,547.10 × 148,663.40
  4. Step 4: Simplify right side
    267,117.80x = 59,546,693,746.14
  5. Step 5: Solve for x
    x = 59,546,693,746.14/267,117.80
  6. Step 6: Final answer
    x = 222,922.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.