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Finding the Fourth Proportional to 288,168.84, 432,287.73 and 88,462.98

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Solution

The fourth proportional to 288,168.84, 432,287.73 and 88,462.98 is: 132,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,168.84 : 432,287.73 = 88,462.98 : x
  2. Step 2: Convert to fraction form
    288,168.84/432,287.73 = 88,462.98/x
  3. Step 3: Cross multiply
    288,168.84x = 432,287.73 × 88,462.98
  4. Step 4: Simplify right side
    288,168.84x = 38,241,460,813.24
  5. Step 5: Solve for x
    x = 38,241,460,813.24/288,168.84
  6. Step 6: Final answer
    x = 132,705.05

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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.