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Finding the Fourth Proportional to 424,298.96, 585,512.52 and 233,320.40

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Solution

The fourth proportional to 424,298.96, 585,512.52 and 233,320.40 is: 321,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,298.96 : 585,512.52 = 233,320.40 : x
  2. Step 2: Convert to fraction form
    424,298.96/585,512.52 = 233,320.40/x
  3. Step 3: Cross multiply
    424,298.96x = 585,512.52 × 233,320.40
  4. Step 4: Simplify right side
    424,298.96x = 136,612,015,371.41
  5. Step 5: Solve for x
    x = 136,612,015,371.41/424,298.96
  6. Step 6: Final answer
    x = 321,971.13

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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.