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Finding the Fourth Proportional to 528,203.10, 792,013.05 and 173,034.30

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Solution

The fourth proportional to 528,203.10, 792,013.05 and 173,034.30 is: 259,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,203.10 : 792,013.05 = 173,034.30 : x
  2. Step 2: Convert to fraction form
    528,203.10/792,013.05 = 173,034.30/x
  3. Step 3: Cross multiply
    528,203.10x = 792,013.05 × 173,034.30
  4. Step 4: Simplify right side
    528,203.10x = 137,045,423,697.62
  5. Step 5: Solve for x
    x = 137,045,423,697.62/528,203.10
  6. Step 6: Final answer
    x = 259,455.92

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1.5x scale

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.