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Finding the Fourth Proportional to 328,335.84, 453,064.86 and 185,087.34

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Solution

The fourth proportional to 328,335.84, 453,064.86 and 185,087.34 is: 255,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,335.84 : 453,064.86 = 185,087.34 : x
  2. Step 2: Convert to fraction form
    328,335.84/453,064.86 = 185,087.34/x
  3. Step 3: Cross multiply
    328,335.84x = 453,064.86 × 185,087.34
  4. Step 4: Simplify right side
    328,335.84x = 83,856,569,784.87
  5. Step 5: Solve for x
    x = 83,856,569,784.87/328,335.84
  6. Step 6: Final answer
    x = 255,398.77

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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.