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Finding the Fourth Proportional to 633,148.76, 873,750.48 and 375,039.92

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Solution

The fourth proportional to 633,148.76, 873,750.48 and 375,039.92 is: 517,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,148.76 : 873,750.48 = 375,039.92 : x
  2. Step 2: Convert to fraction form
    633,148.76/873,750.48 = 375,039.92/x
  3. Step 3: Cross multiply
    633,148.76x = 873,750.48 × 375,039.92
  4. Step 4: Simplify right side
    633,148.76x = 327,691,310,119.16
  5. Step 5: Solve for x
    x = 327,691,310,119.16/633,148.76
  6. Step 6: Final answer
    x = 517,558.16

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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.