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Finding the Fourth Proportional to 574,446, 792,219.36 and 359,605.60

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Solution

The fourth proportional to 574,446, 792,219.36 and 359,605.60 is: 495,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,446 : 792,219.36 = 359,605.60 : x
  2. Step 2: Convert to fraction form
    574,446/792,219.36 = 359,605.60/x
  3. Step 3: Cross multiply
    574,446x = 792,219.36 × 359,605.60
  4. Step 4: Simplify right side
    574,446x = 284,886,518,284.42
  5. Step 5: Solve for x
    x = 284,886,518,284.42/574,446
  6. Step 6: Final answer
    x = 495,932.63

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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.