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Finding the Fourth Proportional to 328,818, 453,772.08 and 177,918.24

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Solution

The fourth proportional to 328,818, 453,772.08 and 177,918.24 is: 245,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,818 : 453,772.08 = 177,918.24 : x
  2. Step 2: Convert to fraction form
    328,818/453,772.08 = 177,918.24/x
  3. Step 3: Cross multiply
    328,818x = 453,772.08 × 177,918.24
  4. Step 4: Simplify right side
    328,818x = 80,734,329,834.74
  5. Step 5: Solve for x
    x = 80,734,329,834.74/328,818
  6. Step 6: Final answer
    x = 245,528.92

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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.