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Finding the Fourth Proportional to 559,362.80, 771,617.40 and 332,964.56

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Solution

The fourth proportional to 559,362.80, 771,617.40 and 332,964.56 is: 459,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,362.80 : 771,617.40 = 332,964.56 : x
  2. Step 2: Convert to fraction form
    559,362.80/771,617.40 = 332,964.56/x
  3. Step 3: Cross multiply
    559,362.80x = 771,617.40 × 332,964.56
  4. Step 4: Simplify right side
    559,362.80x = 256,921,248,079.34
  5. Step 5: Solve for x
    x = 256,921,248,079.34/559,362.80
  6. Step 6: Final answer
    x = 459,310.57

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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.