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Finding the Fourth Proportional to 541,402.40, 811,412.40 and 416,122.40

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Solution

The fourth proportional to 541,402.40, 811,412.40 and 416,122.40 is: 623,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,402.40 : 811,412.40 = 416,122.40 : x
  2. Step 2: Convert to fraction form
    541,402.40/811,412.40 = 416,122.40/x
  3. Step 3: Cross multiply
    541,402.40x = 811,412.40 × 416,122.40
  4. Step 4: Simplify right side
    541,402.40x = 337,646,875,277.76
  5. Step 5: Solve for x
    x = 337,646,875,277.76/541,402.40
  6. Step 6: Final answer
    x = 623,652.34

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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.