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Finding the Fourth Proportional to 367,641.72, 551,934.83 and 283,455.36

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Solution

The fourth proportional to 367,641.72, 551,934.83 and 283,455.36 is: 425,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,641.72 : 551,934.83 = 283,455.36 : x
  2. Step 2: Convert to fraction form
    367,641.72/551,934.83 = 283,455.36/x
  3. Step 3: Cross multiply
    367,641.72x = 551,934.83 × 283,455.36
  4. Step 4: Simplify right side
    367,641.72x = 156,448,886,642.83
  5. Step 5: Solve for x
    x = 156,448,886,642.83/367,641.72
  6. Step 6: Final answer
    x = 425,547.15

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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.