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Finding the Fourth Proportional to 298,268.32, 411,602.16 and 164,132.32

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Solution

The fourth proportional to 298,268.32, 411,602.16 and 164,132.32 is: 226,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,268.32 : 411,602.16 = 164,132.32 : x
  2. Step 2: Convert to fraction form
    298,268.32/411,602.16 = 164,132.32/x
  3. Step 3: Cross multiply
    298,268.32x = 411,602.16 × 164,132.32
  4. Step 4: Simplify right side
    298,268.32x = 67,557,217,437.81
  5. Step 5: Solve for x
    x = 67,557,217,437.81/298,268.32
  6. Step 6: Final answer
    x = 226,498.13

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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.