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Finding the Fourth Proportional to 348,037.20, 522,055.80 and 297,298.80

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Solution

The fourth proportional to 348,037.20, 522,055.80 and 297,298.80 is: 445,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,037.20 : 522,055.80 = 297,298.80 : x
  2. Step 2: Convert to fraction form
    348,037.20/522,055.80 = 297,298.80/x
  3. Step 3: Cross multiply
    348,037.20x = 522,055.80 × 297,298.80
  4. Step 4: Simplify right side
    348,037.20x = 155,206,562,873.04
  5. Step 5: Solve for x
    x = 155,206,562,873.04/348,037.20
  6. Step 6: Final answer
    x = 445,948.20

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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.