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Finding the Fourth Proportional to 294,403.80, 441,605.70 and 146,947.80

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Solution

The fourth proportional to 294,403.80, 441,605.70 and 146,947.80 is: 220,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,403.80 : 441,605.70 = 146,947.80 : x
  2. Step 2: Convert to fraction form
    294,403.80/441,605.70 = 146,947.80/x
  3. Step 3: Cross multiply
    294,403.80x = 441,605.70 × 146,947.80
  4. Step 4: Simplify right side
    294,403.80x = 64,892,986,082.46
  5. Step 5: Solve for x
    x = 64,892,986,082.46/294,403.80
  6. Step 6: Final answer
    x = 220,421.70

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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.