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Finding the Fourth Proportional to 360,295.95, 497,257.85 and 207,331.02

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Solution

The fourth proportional to 360,295.95, 497,257.85 and 207,331.02 is: 286,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,295.95 : 497,257.85 = 207,331.02 : x
  2. Step 2: Convert to fraction form
    360,295.95/497,257.85 = 207,331.02/x
  3. Step 3: Cross multiply
    360,295.95x = 497,257.85 × 207,331.02
  4. Step 4: Simplify right side
    360,295.95x = 103,096,975,488.62
  5. Step 5: Solve for x
    x = 103,096,975,488.62/360,295.95
  6. Step 6: Final answer
    x = 286,145.25

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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.