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Finding the Fourth Proportional to 245,260.60, 338,582.10 and 160,507.12

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Solution

The fourth proportional to 245,260.60, 338,582.10 and 160,507.12 is: 221,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,260.60 : 338,582.10 = 160,507.12 : x
  2. Step 2: Convert to fraction form
    245,260.60/338,582.10 = 160,507.12/x
  3. Step 3: Cross multiply
    245,260.60x = 338,582.10 × 160,507.12
  4. Step 4: Simplify right side
    245,260.60x = 54,344,837,754.55
  5. Step 5: Solve for x
    x = 54,344,837,754.55/245,260.60
  6. Step 6: Final answer
    x = 221,579.98

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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.