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Finding the Fourth Proportional to 423,483.02, 584,407.55 and 232,508.71

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Solution

The fourth proportional to 423,483.02, 584,407.55 and 232,508.71 is: 320,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,483.02 : 584,407.55 = 232,508.71 : x
  2. Step 2: Convert to fraction form
    423,483.02/584,407.55 = 232,508.71/x
  3. Step 3: Cross multiply
    423,483.02x = 584,407.55 × 232,508.71
  4. Step 4: Simplify right side
    423,483.02x = 135,879,845,564.76
  5. Step 5: Solve for x
    x = 135,879,845,564.76/423,483.02
  6. Step 6: Final answer
    x = 320,862.56

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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.