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Finding the Fourth Proportional to 328,458.95, 453,355.92 and 185,302.03

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Solution

The fourth proportional to 328,458.95, 453,355.92 and 185,302.03 is: 255,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,458.95 : 453,355.92 = 185,302.03 : x
  2. Step 2: Convert to fraction form
    328,458.95/453,355.92 = 185,302.03/x
  3. Step 3: Cross multiply
    328,458.95x = 453,355.92 × 185,302.03
  4. Step 4: Simplify right side
    328,458.95x = 84,007,772,005.17
  5. Step 5: Solve for x
    x = 84,007,772,005.17/328,458.95
  6. Step 6: Final answer
    x = 255,763.38

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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.