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Finding the Fourth Proportional to 477,875.44, 716,723.88 and 193,490.80

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Solution

The fourth proportional to 477,875.44, 716,723.88 and 193,490.80 is: 290,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,875.44 : 716,723.88 = 193,490.80 : x
  2. Step 2: Convert to fraction form
    477,875.44/716,723.88 = 193,490.80/x
  3. Step 3: Cross multiply
    477,875.44x = 716,723.88 × 193,490.80
  4. Step 4: Simplify right side
    477,875.44x = 138,679,476,920.30
  5. Step 5: Solve for x
    x = 138,679,476,920.30/477,875.44
  6. Step 6: Final answer
    x = 290,200.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.