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Finding the Fourth Proportional to 423,557.92, 631,600.52 and 364,771.36

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Solution

The fourth proportional to 423,557.92, 631,600.52 and 364,771.36 is: 543,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,557.92 : 631,600.52 = 364,771.36 : x
  2. Step 2: Convert to fraction form
    423,557.92/631,600.52 = 364,771.36/x
  3. Step 3: Cross multiply
    423,557.92x = 631,600.52 × 364,771.36
  4. Step 4: Simplify right side
    423,557.92x = 230,389,780,657.11
  5. Step 5: Solve for x
    x = 230,389,780,657.11/423,557.92
  6. Step 6: Final answer
    x = 543,939.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.