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Finding the Fourth Proportional to 328,062.24, 490,295.82 and 239,502.24

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Solution

The fourth proportional to 328,062.24, 490,295.82 and 239,502.24 is: 357,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,062.24 : 490,295.82 = 239,502.24 : x
  2. Step 2: Convert to fraction form
    328,062.24/490,295.82 = 239,502.24/x
  3. Step 3: Cross multiply
    328,062.24x = 490,295.82 × 239,502.24
  4. Step 4: Simplify right side
    328,062.24x = 117,426,947,152.64
  5. Step 5: Solve for x
    x = 117,426,947,152.64/328,062.24
  6. Step 6: Final answer
    x = 357,941.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.