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Finding the Fourth Proportional to 372,575.50, 514,166.60 and 209,260.74

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Solution

The fourth proportional to 372,575.50, 514,166.60 and 209,260.74 is: 288,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,575.50 : 514,166.60 = 209,260.74 : x
  2. Step 2: Convert to fraction form
    372,575.50/514,166.60 = 209,260.74/x
  3. Step 3: Cross multiply
    372,575.50x = 514,166.60 × 209,260.74
  4. Step 4: Simplify right side
    372,575.50x = 107,594,885,062.02
  5. Step 5: Solve for x
    x = 107,594,885,062.02/372,575.50
  6. Step 6: Final answer
    x = 288,786.79

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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.