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Finding the Fourth Proportional to 424,866.09, 586,315.13 and 233,879.43

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Solution

The fourth proportional to 424,866.09, 586,315.13 and 233,879.43 is: 322,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,866.09 : 586,315.13 = 233,879.43 : x
  2. Step 2: Convert to fraction form
    424,866.09/586,315.13 = 233,879.43/x
  3. Step 3: Cross multiply
    424,866.09x = 586,315.13 × 233,879.43
  4. Step 4: Simplify right side
    424,866.09x = 137,127,047,235.38
  5. Step 5: Solve for x
    x = 137,127,047,235.38/424,866.09
  6. Step 6: Final answer
    x = 322,753.57

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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.