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Finding the Fourth Proportional to 451,472.64, 623,095.20 and 260,482.56

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Solution

The fourth proportional to 451,472.64, 623,095.20 and 260,482.56 is: 359,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,472.64 : 623,095.20 = 260,482.56 : x
  2. Step 2: Convert to fraction form
    451,472.64/623,095.20 = 260,482.56/x
  3. Step 3: Cross multiply
    451,472.64x = 623,095.20 × 260,482.56
  4. Step 4: Simplify right side
    451,472.64x = 162,305,432,819.71
  5. Step 5: Solve for x
    x = 162,305,432,819.71/451,472.64
  6. Step 6: Final answer
    x = 359,502.26

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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.