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Finding the Fourth Proportional to 528,176.10, 792,264.15 and 154,199.10

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Solution

The fourth proportional to 528,176.10, 792,264.15 and 154,199.10 is: 231,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,176.10 : 792,264.15 = 154,199.10 : x
  2. Step 2: Convert to fraction form
    528,176.10/792,264.15 = 154,199.10/x
  3. Step 3: Cross multiply
    528,176.10x = 792,264.15 × 154,199.10
  4. Step 4: Simplify right side
    528,176.10x = 122,166,418,892.27
  5. Step 5: Solve for x
    x = 122,166,418,892.27/528,176.10
  6. Step 6: Final answer
    x = 231,298.65

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Similar ratio
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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.