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Finding the Fourth Proportional to 564,360.06, 778,817.45 and 322,647.87

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Solution

The fourth proportional to 564,360.06, 778,817.45 and 322,647.87 is: 445,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,360.06 : 778,817.45 = 322,647.87 : x
  2. Step 2: Convert to fraction form
    564,360.06/778,817.45 = 322,647.87/x
  3. Step 3: Cross multiply
    564,360.06x = 778,817.45 × 322,647.87
  4. Step 4: Simplify right side
    564,360.06x = 251,283,789,748.09
  5. Step 5: Solve for x
    x = 251,283,789,748.09/564,360.06
  6. Step 6: Final answer
    x = 445,254.38

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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.