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Finding the Fourth Proportional to 620,360.76, 929,233.38 and 283,684.76

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Solution

The fourth proportional to 620,360.76, 929,233.38 and 283,684.76 is: 424,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,360.76 : 929,233.38 = 283,684.76 : x
  2. Step 2: Convert to fraction form
    620,360.76/929,233.38 = 283,684.76/x
  3. Step 3: Cross multiply
    620,360.76x = 929,233.38 × 283,684.76
  4. Step 4: Simplify right side
    620,360.76x = 263,609,348,291.57
  5. Step 5: Solve for x
    x = 263,609,348,291.57/620,360.76
  6. Step 6: Final answer
    x = 424,929.11

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1.5x scale

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.