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Finding the Fourth Proportional to 328,437.77, 453,238.08 and 185,197.93

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Solution

The fourth proportional to 328,437.77, 453,238.08 and 185,197.93 is: 255,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,437.77 : 453,238.08 = 185,197.93 : x
  2. Step 2: Convert to fraction form
    328,437.77/453,238.08 = 185,197.93/x
  3. Step 3: Cross multiply
    328,437.77x = 453,238.08 × 185,197.93
  4. Step 4: Simplify right side
    328,437.77x = 83,938,753,427.33
  5. Step 5: Solve for x
    x = 83,938,753,427.33/328,437.77
  6. Step 6: Final answer
    x = 255,569.73

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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.