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Finding the Fourth Proportional to 519,548.38, 716,939.00 and 301,657.57

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Solution

The fourth proportional to 519,548.38, 716,939.00 and 301,657.57 is: 416,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,548.38 : 716,939.00 = 301,657.57 : x
  2. Step 2: Convert to fraction form
    519,548.38/716,939.00 = 301,657.57/x
  3. Step 3: Cross multiply
    519,548.38x = 716,939.00 × 301,657.57
  4. Step 4: Simplify right side
    519,548.38x = 216,270,074,408.81
  5. Step 5: Solve for x
    x = 216,270,074,408.81/519,548.38
  6. Step 6: Final answer
    x = 416,265.52

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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.