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Finding the Fourth Proportional to 564,295.95, 778,728.24 and 322,583.67

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Solution

The fourth proportional to 564,295.95, 778,728.24 and 322,583.67 is: 445,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,295.95 : 778,728.24 = 322,583.67 : x
  2. Step 2: Convert to fraction form
    564,295.95/778,728.24 = 322,583.67/x
  3. Step 3: Cross multiply
    564,295.95x = 778,728.24 × 322,583.67
  4. Step 4: Simplify right side
    564,295.95x = 251,205,013,591.84
  5. Step 5: Solve for x
    x = 251,205,013,591.84/564,295.95
  6. Step 6: Final answer
    x = 445,165.37

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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.