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Finding the Fourth Proportional to 298,031.32, 411,275.02 and 163,895.32

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Solution

The fourth proportional to 298,031.32, 411,275.02 and 163,895.32 is: 226,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,031.32 : 411,275.02 = 163,895.32 : x
  2. Step 2: Convert to fraction form
    298,031.32/411,275.02 = 163,895.32/x
  3. Step 3: Cross multiply
    298,031.32x = 411,275.02 × 163,895.32
  4. Step 4: Simplify right side
    298,031.32x = 67,406,051,010.91
  5. Step 5: Solve for x
    x = 67,406,051,010.91/298,031.32
  6. Step 6: Final answer
    x = 226,171.03

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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.