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Finding the Fourth Proportional to 567,979.40, 853,718.70 and 536,486.60

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Solution

The fourth proportional to 567,979.40, 853,718.70 and 536,486.60 is: 806,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,979.40 : 853,718.70 = 536,486.60 : x
  2. Step 2: Convert to fraction form
    567,979.40/853,718.70 = 536,486.60/x
  3. Step 3: Cross multiply
    567,979.40x = 853,718.70 × 536,486.60
  4. Step 4: Simplify right side
    567,979.40x = 458,008,642,719.42
  5. Step 5: Solve for x
    x = 458,008,642,719.42/567,979.40
  6. Step 6: Final answer
    x = 806,382.49

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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.