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Finding the Fourth Proportional to 584,416.05, 806,486.30 and 326,296.95

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Solution

The fourth proportional to 584,416.05, 806,486.30 and 326,296.95 is: 450,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,416.05 : 806,486.30 = 326,296.95 : x
  2. Step 2: Convert to fraction form
    584,416.05/806,486.30 = 326,296.95/x
  3. Step 3: Cross multiply
    584,416.05x = 806,486.30 × 326,296.95
  4. Step 4: Simplify right side
    584,416.05x = 263,154,024,142.92
  5. Step 5: Solve for x
    x = 263,154,024,142.92/584,416.05
  6. Step 6: Final answer
    x = 450,285.41

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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.