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Finding the Fourth Proportional to 584,437.43, 806,515.73 and 326,318.35

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Solution

The fourth proportional to 584,437.43, 806,515.73 and 326,318.35 is: 450,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,437.43 : 806,515.73 = 326,318.35 : x
  2. Step 2: Convert to fraction form
    584,437.43/806,515.73 = 326,318.35/x
  3. Step 3: Cross multiply
    584,437.43x = 806,515.73 × 326,318.35
  4. Step 4: Simplify right side
    584,437.43x = 263,180,876,598.48
  5. Step 5: Solve for x
    x = 263,180,876,598.48/584,437.43
  6. Step 6: Final answer
    x = 450,314.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.