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Finding the Fourth Proportional to 458,066.98, 632,133.17 and 254,117.90

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Solution

The fourth proportional to 458,066.98, 632,133.17 and 254,117.90 is: 350,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,066.98 : 632,133.17 = 254,117.90 : x
  2. Step 2: Convert to fraction form
    458,066.98/632,133.17 = 254,117.90/x
  3. Step 3: Cross multiply
    458,066.98x = 632,133.17 × 254,117.90
  4. Step 4: Simplify right side
    458,066.98x = 160,636,352,410.15
  5. Step 5: Solve for x
    x = 160,636,352,410.15/458,066.98
  6. Step 6: Final answer
    x = 350,683.11

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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.