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Finding the Fourth Proportional to 552,462.20, 828,693.30 and 528,842.60

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Solution

The fourth proportional to 552,462.20, 828,693.30 and 528,842.60 is: 793,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,462.20 : 828,693.30 = 528,842.60 : x
  2. Step 2: Convert to fraction form
    552,462.20/828,693.30 = 528,842.60/x
  3. Step 3: Cross multiply
    552,462.20x = 828,693.30 × 528,842.60
  4. Step 4: Simplify right side
    552,462.20x = 438,248,319,374.58
  5. Step 5: Solve for x
    x = 438,248,319,374.58/552,462.20
  6. Step 6: Final answer
    x = 793,263.90

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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.