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Finding the Fourth Proportional to 564,926.44, 779,595.81 and 306,801.58

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Solution

The fourth proportional to 564,926.44, 779,595.81 and 306,801.58 is: 423,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,926.44 : 779,595.81 = 306,801.58 : x
  2. Step 2: Convert to fraction form
    564,926.44/779,595.81 = 306,801.58/x
  3. Step 3: Cross multiply
    564,926.44x = 779,595.81 × 306,801.58
  4. Step 4: Simplify right side
    564,926.44x = 239,181,226,269.38
  5. Step 5: Solve for x
    x = 239,181,226,269.38/564,926.44
  6. Step 6: Final answer
    x = 423,384.73

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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.