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Finding the Fourth Proportional to 541,346.40, 811,328.40 and 416,066.40

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Solution

The fourth proportional to 541,346.40, 811,328.40 and 416,066.40 is: 623,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,346.40 : 811,328.40 = 416,066.40 : x
  2. Step 2: Convert to fraction form
    541,346.40/811,328.40 = 416,066.40/x
  3. Step 3: Cross multiply
    541,346.40x = 811,328.40 × 416,066.40
  4. Step 4: Simplify right side
    541,346.40x = 337,566,486,605.76
  5. Step 5: Solve for x
    x = 337,566,486,605.76/541,346.40
  6. Step 6: Final answer
    x = 623,568.36

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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.