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Finding the Fourth Proportional to 265,586.30, 366,482.85 and 156,688.34

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Solution

The fourth proportional to 265,586.30, 366,482.85 and 156,688.34 is: 216,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,586.30 : 366,482.85 = 156,688.34 : x
  2. Step 2: Convert to fraction form
    265,586.30/366,482.85 = 156,688.34/x
  3. Step 3: Cross multiply
    265,586.30x = 366,482.85 × 156,688.34
  4. Step 4: Simplify right side
    265,586.30x = 57,423,589,404.97
  5. Step 5: Solve for x
    x = 57,423,589,404.97/265,586.30
  6. Step 6: Final answer
    x = 216,214.43

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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.