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Finding the Fourth Proportional to 353,152.13, 529,728.21 and 90,496.13

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Solution

The fourth proportional to 353,152.13, 529,728.21 and 90,496.13 is: 135,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,152.13 : 529,728.21 = 90,496.13 : x
  2. Step 2: Convert to fraction form
    353,152.13/529,728.21 = 90,496.13/x
  3. Step 3: Cross multiply
    353,152.13x = 529,728.21 × 90,496.13
  4. Step 4: Simplify right side
    353,152.13x = 47,938,350,308.19
  5. Step 5: Solve for x
    x = 47,938,350,308.19/353,152.13
  6. Step 6: Final answer
    x = 135,744.19

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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.