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Finding the Fourth Proportional to 385,664.76, 532,360.22 and 232,709.40

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Solution

The fourth proportional to 385,664.76, 532,360.22 and 232,709.40 is: 321,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,664.76 : 532,360.22 = 232,709.40 : x
  2. Step 2: Convert to fraction form
    385,664.76/532,360.22 = 232,709.40/x
  3. Step 3: Cross multiply
    385,664.76x = 532,360.22 × 232,709.40
  4. Step 4: Simplify right side
    385,664.76x = 123,885,227,380.07
  5. Step 5: Solve for x
    x = 123,885,227,380.07/385,664.76
  6. Step 6: Final answer
    x = 321,225.17

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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.