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Finding the Fourth Proportional to 282,953.70, 424,430.55 and 95,965.20

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Solution

The fourth proportional to 282,953.70, 424,430.55 and 95,965.20 is: 143,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,953.70 : 424,430.55 = 95,965.20 : x
  2. Step 2: Convert to fraction form
    282,953.70/424,430.55 = 95,965.20/x
  3. Step 3: Cross multiply
    282,953.70x = 424,430.55 × 95,965.20
  4. Step 4: Simplify right side
    282,953.70x = 40,730,562,616.86
  5. Step 5: Solve for x
    x = 40,730,562,616.86/282,953.70
  6. Step 6: Final answer
    x = 143,947.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.