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Finding the Fourth Proportional to 423,371.72, 584,254.86 and 232,386.68

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Solution

The fourth proportional to 423,371.72, 584,254.86 and 232,386.68 is: 320,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,371.72 : 584,254.86 = 232,386.68 : x
  2. Step 2: Convert to fraction form
    423,371.72/584,254.86 = 232,386.68/x
  3. Step 3: Cross multiply
    423,371.72x = 584,254.86 × 232,386.68
  4. Step 4: Simplify right side
    423,371.72x = 135,773,047,778.45
  5. Step 5: Solve for x
    x = 135,773,047,778.45/423,371.72
  6. Step 6: Final answer
    x = 320,694.65

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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.