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Finding the Fourth Proportional to 424,306.64, 585,547.36 and 233,321.42

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Solution

The fourth proportional to 424,306.64, 585,547.36 and 233,321.42 is: 321,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,306.64 : 585,547.36 = 233,321.42 : x
  2. Step 2: Convert to fraction form
    424,306.64/585,547.36 = 233,321.42/x
  3. Step 3: Cross multiply
    424,306.64x = 585,547.36 × 233,321.42
  4. Step 4: Simplify right side
    424,306.64x = 136,620,741,512.45
  5. Step 5: Solve for x
    x = 136,620,741,512.45/424,306.64
  6. Step 6: Final answer
    x = 321,985.87

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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.