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Finding the Fourth Proportional to 576,315.59, 795,283.17 and 321,683.18

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Solution

The fourth proportional to 576,315.59, 795,283.17 and 321,683.18 is: 443,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,315.59 : 795,283.17 = 321,683.18 : x
  2. Step 2: Convert to fraction form
    576,315.59/795,283.17 = 321,683.18/x
  3. Step 3: Cross multiply
    576,315.59x = 795,283.17 × 321,683.18
  4. Step 4: Simplify right side
    576,315.59x = 255,829,219,505.87
  5. Step 5: Solve for x
    x = 255,829,219,505.87/576,315.59
  6. Step 6: Final answer
    x = 443,904.73

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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.