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Finding the Fourth Proportional to 403,626.75, 557,005.05 and 233,959.29

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Solution

The fourth proportional to 403,626.75, 557,005.05 and 233,959.29 is: 322,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,626.75 : 557,005.05 = 233,959.29 : x
  2. Step 2: Convert to fraction form
    403,626.75/557,005.05 = 233,959.29/x
  3. Step 3: Cross multiply
    403,626.75x = 557,005.05 × 233,959.29
  4. Step 4: Simplify right side
    403,626.75x = 130,316,506,024.42
  5. Step 5: Solve for x
    x = 130,316,506,024.42/403,626.75
  6. Step 6: Final answer
    x = 322,863.90

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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.