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Finding the Fourth Proportional to 584,447.46, 806,671.80 and 342,807.90

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Solution

The fourth proportional to 584,447.46, 806,671.80 and 342,807.90 is: 473,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,447.46 : 806,671.80 = 342,807.90 : x
  2. Step 2: Convert to fraction form
    584,447.46/806,671.80 = 342,807.90/x
  3. Step 3: Cross multiply
    584,447.46x = 806,671.80 × 342,807.90
  4. Step 4: Simplify right side
    584,447.46x = 276,533,465,747.22
  5. Step 5: Solve for x
    x = 276,533,465,747.22/584,447.46
  6. Step 6: Final answer
    x = 473,153.68

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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.