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Finding the Fourth Proportional to 310,879.50, 466,331.40 and 97,792.80

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Solution

The fourth proportional to 310,879.50, 466,331.40 and 97,792.80 is: 146,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,879.50 : 466,331.40 = 97,792.80 : x
  2. Step 2: Convert to fraction form
    310,879.50/466,331.40 = 97,792.80/x
  3. Step 3: Cross multiply
    310,879.50x = 466,331.40 × 97,792.80
  4. Step 4: Simplify right side
    310,879.50x = 45,603,853,333.92
  5. Step 5: Solve for x
    x = 45,603,853,333.92/310,879.50
  6. Step 6: Final answer
    x = 146,693.02

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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.