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Finding the Fourth Proportional to 601,406.64, 830,227.32 and 375,384.24

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Solution

The fourth proportional to 601,406.64, 830,227.32 and 375,384.24 is: 518,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,406.64 : 830,227.32 = 375,384.24 : x
  2. Step 2: Convert to fraction form
    601,406.64/830,227.32 = 375,384.24/x
  3. Step 3: Cross multiply
    601,406.64x = 830,227.32 × 375,384.24
  4. Step 4: Simplify right side
    601,406.64x = 311,654,251,545.44
  5. Step 5: Solve for x
    x = 311,654,251,545.44/601,406.64
  6. Step 6: Final answer
    x = 518,208.86

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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.