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Finding the Fourth Proportional to 373,121.99, 514,875.77 and 207,518.25

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Solution

The fourth proportional to 373,121.99, 514,875.77 and 207,518.25 is: 286,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,121.99 : 514,875.77 = 207,518.25 : x
  2. Step 2: Convert to fraction form
    373,121.99/514,875.77 = 207,518.25/x
  3. Step 3: Cross multiply
    373,121.99x = 514,875.77 × 207,518.25
  4. Step 4: Simplify right side
    373,121.99x = 106,846,118,757.80
  5. Step 5: Solve for x
    x = 106,846,118,757.80/373,121.99
  6. Step 6: Final answer
    x = 286,357.07

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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.