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Finding the Fourth Proportional to 528,480.48, 793,002.96 and 248,000.16

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Solution

The fourth proportional to 528,480.48, 793,002.96 and 248,000.16 is: 372,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,480.48 : 793,002.96 = 248,000.16 : x
  2. Step 2: Convert to fraction form
    528,480.48/793,002.96 = 248,000.16/x
  3. Step 3: Cross multiply
    528,480.48x = 793,002.96 × 248,000.16
  4. Step 4: Simplify right side
    528,480.48x = 196,664,860,960.47
  5. Step 5: Solve for x
    x = 196,664,860,960.47/528,480.48
  6. Step 6: Final answer
    x = 372,132.69

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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.