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Finding the Fourth Proportional to 564,688.76, 779,271.08 and 335,291.85

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Solution

The fourth proportional to 564,688.76, 779,271.08 and 335,291.85 is: 462,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,688.76 : 779,271.08 = 335,291.85 : x
  2. Step 2: Convert to fraction form
    564,688.76/779,271.08 = 335,291.85/x
  3. Step 3: Cross multiply
    564,688.76x = 779,271.08 × 335,291.85
  4. Step 4: Simplify right side
    564,688.76x = 261,283,242,064.70
  5. Step 5: Solve for x
    x = 261,283,242,064.70/564,688.76
  6. Step 6: Final answer
    x = 462,703.10

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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.