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Finding the Fourth Proportional to 564,955.89, 779,774.91 and 323,378.52

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Solution

The fourth proportional to 564,955.89, 779,774.91 and 323,378.52 is: 446,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,955.89 : 779,774.91 = 323,378.52 : x
  2. Step 2: Convert to fraction form
    564,955.89/779,774.91 = 323,378.52/x
  3. Step 3: Cross multiply
    564,955.89x = 779,774.91 × 323,378.52
  4. Step 4: Simplify right side
    564,955.89x = 252,162,456,328.93
  5. Step 5: Solve for x
    x = 252,162,456,328.93/564,955.89
  6. Step 6: Final answer
    x = 446,340.08

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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.