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Finding the Fourth Proportional to 310,524.10, 465,192.23 and 260,244.81

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Solution

The fourth proportional to 310,524.10, 465,192.23 and 260,244.81 is: 389,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,524.10 : 465,192.23 = 260,244.81 : x
  2. Step 2: Convert to fraction form
    310,524.10/465,192.23 = 260,244.81/x
  3. Step 3: Cross multiply
    310,524.10x = 465,192.23 × 260,244.81
  4. Step 4: Simplify right side
    310,524.10x = 121,063,862,208.60
  5. Step 5: Solve for x
    x = 121,063,862,208.60/310,524.10
  6. Step 6: Final answer
    x = 389,869.46

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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.