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Finding the Fourth Proportional to 328,182.08, 492,248.52 and 103,549.76

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Solution

The fourth proportional to 328,182.08, 492,248.52 and 103,549.76 is: 155,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,182.08 : 492,248.52 = 103,549.76 : x
  2. Step 2: Convert to fraction form
    328,182.08/492,248.52 = 103,549.76/x
  3. Step 3: Cross multiply
    328,182.08x = 492,248.52 × 103,549.76
  4. Step 4: Simplify right side
    328,182.08x = 50,972,216,106.36
  5. Step 5: Solve for x
    x = 50,972,216,106.36/328,182.08
  6. Step 6: Final answer
    x = 155,316.88

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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.