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Finding the Fourth Proportional to 424,547.32, 585,879.10 and 230,959.25

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Solution

The fourth proportional to 424,547.32, 585,879.10 and 230,959.25 is: 318,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,547.32 : 585,879.10 = 230,959.25 : x
  2. Step 2: Convert to fraction form
    424,547.32/585,879.10 = 230,959.25/x
  3. Step 3: Cross multiply
    424,547.32x = 585,879.10 × 230,959.25
  4. Step 4: Simplify right side
    424,547.32x = 135,314,195,743.51
  5. Step 5: Solve for x
    x = 135,314,195,743.51/424,547.32
  6. Step 6: Final answer
    x = 318,725.83

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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.