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Finding the Fourth Proportional to 474,543.48, 654,870.05 and 259,683.56

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Solution

The fourth proportional to 474,543.48, 654,870.05 and 259,683.56 is: 358,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,543.48 : 654,870.05 = 259,683.56 : x
  2. Step 2: Convert to fraction form
    474,543.48/654,870.05 = 259,683.56/x
  3. Step 3: Cross multiply
    474,543.48x = 654,870.05 × 259,683.56
  4. Step 4: Simplify right side
    474,543.48x = 170,058,985,921.38
  5. Step 5: Solve for x
    x = 170,058,985,921.38/474,543.48
  6. Step 6: Final answer
    x = 358,363.34

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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.