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Finding the Fourth Proportional to 564,288.98, 778,718.72 and 322,576.94

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Solution

The fourth proportional to 564,288.98, 778,718.72 and 322,576.94 is: 445,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,288.98 : 778,718.72 = 322,576.94 : x
  2. Step 2: Convert to fraction form
    564,288.98/778,718.72 = 322,576.94/x
  3. Step 3: Cross multiply
    564,288.98x = 778,718.72 × 322,576.94
  4. Step 4: Simplify right side
    564,288.98x = 251,196,696,311.84
  5. Step 5: Solve for x
    x = 251,196,696,311.84/564,288.98
  6. Step 6: Final answer
    x = 445,156.13

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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.