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Finding the Fourth Proportional to 564,113.40, 778,545.48 and 322,340.52

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Solution

The fourth proportional to 564,113.40, 778,545.48 and 322,340.52 is: 444,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,113.40 : 778,545.48 = 322,340.52 : x
  2. Step 2: Convert to fraction form
    564,113.40/778,545.48 = 322,340.52/x
  3. Step 3: Cross multiply
    564,113.40x = 778,545.48 × 322,340.52
  4. Step 4: Simplify right side
    564,113.40x = 250,956,754,866.85
  5. Step 5: Solve for x
    x = 250,956,754,866.85/564,113.40
  6. Step 6: Final answer
    x = 444,869.34

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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.