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Finding the Fourth Proportional to 288,568.10, 432,852.15 and 162,596.90

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Solution

The fourth proportional to 288,568.10, 432,852.15 and 162,596.90 is: 243,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,568.10 : 432,852.15 = 162,596.90 : x
  2. Step 2: Convert to fraction form
    288,568.10/432,852.15 = 162,596.90/x
  3. Step 3: Cross multiply
    288,568.10x = 432,852.15 × 162,596.90
  4. Step 4: Simplify right side
    288,568.10x = 70,380,417,748.34
  5. Step 5: Solve for x
    x = 70,380,417,748.34/288,568.10
  6. Step 6: Final answer
    x = 243,895.35

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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.