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Finding the Fourth Proportional to 356,573.68, 534,889.72 and 146,213.44

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Solution

The fourth proportional to 356,573.68, 534,889.72 and 146,213.44 is: 219,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,573.68 : 534,889.72 = 146,213.44 : x
  2. Step 2: Convert to fraction form
    356,573.68/534,889.72 = 146,213.44/x
  3. Step 3: Cross multiply
    356,573.68x = 534,889.72 × 146,213.44
  4. Step 4: Simplify right side
    356,573.68x = 78,208,065,981.84
  5. Step 5: Solve for x
    x = 78,208,065,981.84/356,573.68
  6. Step 6: Final answer
    x = 219,332.13

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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.