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Finding the Fourth Proportional to 423,281.04, 584,139.20 and 232,301.20

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Solution

The fourth proportional to 423,281.04, 584,139.20 and 232,301.20 is: 320,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,281.04 : 584,139.20 = 232,301.20 : x
  2. Step 2: Convert to fraction form
    423,281.04/584,139.20 = 232,301.20/x
  3. Step 3: Cross multiply
    423,281.04x = 584,139.20 × 232,301.20
  4. Step 4: Simplify right side
    423,281.04x = 135,696,237,127.04
  5. Step 5: Solve for x
    x = 135,696,237,127.04/423,281.04
  6. Step 6: Final answer
    x = 320,581.89

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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.