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Finding the Fourth Proportional to 564,376.76, 778,618.22 and 322,529.59

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Solution

The fourth proportional to 564,376.76, 778,618.22 and 322,529.59 is: 444,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,376.76 : 778,618.22 = 322,529.59 : x
  2. Step 2: Convert to fraction form
    564,376.76/778,618.22 = 322,529.59/x
  3. Step 3: Cross multiply
    564,376.76x = 778,618.22 × 322,529.59
  4. Step 4: Simplify right side
    564,376.76x = 251,127,411,370.04
  5. Step 5: Solve for x
    x = 251,127,411,370.04/564,376.76
  6. Step 6: Final answer
    x = 444,964.13

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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.