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Finding the Fourth Proportional to 245,723.60, 338,886.60 and 191,925.20

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Solution

The fourth proportional to 245,723.60, 338,886.60 and 191,925.20 is: 264,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,723.60 : 338,886.60 = 191,925.20 : x
  2. Step 2: Convert to fraction form
    245,723.60/338,886.60 = 191,925.20/x
  3. Step 3: Cross multiply
    245,723.60x = 338,886.60 × 191,925.20
  4. Step 4: Simplify right side
    245,723.60x = 65,040,878,482.32
  5. Step 5: Solve for x
    x = 65,040,878,482.32/245,723.60
  6. Step 6: Final answer
    x = 264,691.22

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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.