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Finding the Fourth Proportional to 458,123.95, 632,189.63 and 254,172.70

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Solution

The fourth proportional to 458,123.95, 632,189.63 and 254,172.70 is: 350,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,123.95 : 632,189.63 = 254,172.70 : x
  2. Step 2: Convert to fraction form
    458,123.95/632,189.63 = 254,172.70/x
  3. Step 3: Cross multiply
    458,123.95x = 632,189.63 × 254,172.70
  4. Step 4: Simplify right side
    458,123.95x = 160,685,340,737.29
  5. Step 5: Solve for x
    x = 160,685,340,737.29/458,123.95
  6. Step 6: Final answer
    x = 350,746.44

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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.