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Finding the Fourth Proportional to 352,598.16, 486,465.30 and 225,347.16

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Solution

The fourth proportional to 352,598.16, 486,465.30 and 225,347.16 is: 310,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,598.16 : 486,465.30 = 225,347.16 : x
  2. Step 2: Convert to fraction form
    352,598.16/486,465.30 = 225,347.16/x
  3. Step 3: Cross multiply
    352,598.16x = 486,465.30 × 225,347.16
  4. Step 4: Simplify right side
    352,598.16x = 109,623,573,793.55
  5. Step 5: Solve for x
    x = 109,623,573,793.55/352,598.16
  6. Step 6: Final answer
    x = 310,902.29

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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.