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Finding the Fourth Proportional to 693,595.44, 956,778.48 and 564,672.60

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Solution

The fourth proportional to 693,595.44, 956,778.48 and 564,672.60 is: 778,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,595.44 : 956,778.48 = 564,672.60 : x
  2. Step 2: Convert to fraction form
    693,595.44/956,778.48 = 564,672.60/x
  3. Step 3: Cross multiply
    693,595.44x = 956,778.48 × 564,672.60
  4. Step 4: Simplify right side
    693,595.44x = 540,266,591,925.65
  5. Step 5: Solve for x
    x = 540,266,591,925.65/693,595.44
  6. Step 6: Final answer
    x = 778,936.19

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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.