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Finding the Fourth Proportional to 423,374.16, 584,258.22 and 232,389.12

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Solution

The fourth proportional to 423,374.16, 584,258.22 and 232,389.12 is: 320,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,374.16 : 584,258.22 = 232,389.12 : x
  2. Step 2: Convert to fraction form
    423,374.16/584,258.22 = 232,389.12/x
  3. Step 3: Cross multiply
    423,374.16x = 584,258.22 × 232,389.12
  4. Step 4: Simplify right side
    423,374.16x = 135,775,253,598.57
  5. Step 5: Solve for x
    x = 135,775,253,598.57/423,374.16
  6. Step 6: Final answer
    x = 320,698.02

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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.