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Finding the Fourth Proportional to 684,439.66, 944,532.66 and 382,633.66

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Solution

The fourth proportional to 684,439.66, 944,532.66 and 382,633.66 is: 528,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,439.66 : 944,532.66 = 382,633.66 : x
  2. Step 2: Convert to fraction form
    684,439.66/944,532.66 = 382,633.66/x
  3. Step 3: Cross multiply
    684,439.66x = 944,532.66 × 382,633.66
  4. Step 4: Simplify right side
    684,439.66x = 361,409,988,685.34
  5. Step 5: Solve for x
    x = 361,409,988,685.34/684,439.66
  6. Step 6: Final answer
    x = 528,037.77

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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.