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Finding the Fourth Proportional to 474,580, 712,044.96 and 249,931.36

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Solution

The fourth proportional to 474,580, 712,044.96 and 249,931.36 is: 374,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,580 : 712,044.96 = 249,931.36 : x
  2. Step 2: Convert to fraction form
    474,580/712,044.96 = 249,931.36/x
  3. Step 3: Cross multiply
    474,580x = 712,044.96 × 249,931.36
  4. Step 4: Simplify right side
    474,580x = 177,962,365,233.95
  5. Step 5: Solve for x
    x = 177,962,365,233.95/474,580
  6. Step 6: Final answer
    x = 374,989.18

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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.