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Finding the Fourth Proportional to 528,454.65, 792,098.78 and 291,967.05

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Solution

The fourth proportional to 528,454.65, 792,098.78 and 291,967.05 is: 437,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,454.65 : 792,098.78 = 291,967.05 : x
  2. Step 2: Convert to fraction form
    528,454.65/792,098.78 = 291,967.05/x
  3. Step 3: Cross multiply
    528,454.65x = 792,098.78 × 291,967.05
  4. Step 4: Simplify right side
    528,454.65x = 231,266,742,645.36
  5. Step 5: Solve for x
    x = 231,266,742,645.36/528,454.65
  6. Step 6: Final answer
    x = 437,628.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.