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Finding the Fourth Proportional to 328,226.40, 452,952.07 and 177,323.40

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Solution

The fourth proportional to 328,226.40, 452,952.07 and 177,323.40 is: 244,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,226.40 : 452,952.07 = 177,323.40 : x
  2. Step 2: Convert to fraction form
    328,226.40/452,952.07 = 177,323.40/x
  3. Step 3: Cross multiply
    328,226.40x = 452,952.07 × 177,323.40
  4. Step 4: Simplify right side
    328,226.40x = 80,319,000,646.13
  5. Step 5: Solve for x
    x = 80,319,000,646.13/328,226.40
  6. Step 6: Final answer
    x = 244,706.10

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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.