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Finding the Fourth Proportional to 524,189.60, 785,131.87 and 433,201.10

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Solution

The fourth proportional to 524,189.60, 785,131.87 and 433,201.10 is: 648,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,189.60 : 785,131.87 = 433,201.10 : x
  2. Step 2: Convert to fraction form
    524,189.60/785,131.87 = 433,201.10/x
  3. Step 3: Cross multiply
    524,189.60x = 785,131.87 × 433,201.10
  4. Step 4: Simplify right side
    524,189.60x = 340,119,983,637.39
  5. Step 5: Solve for x
    x = 340,119,983,637.39/524,189.60
  6. Step 6: Final answer
    x = 648,849.17

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1.5x scale

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.