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Finding the Fourth Proportional to 535,771.72, 803,657.54 and 417,531.52

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Solution

The fourth proportional to 535,771.72, 803,657.54 and 417,531.52 is: 626,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,771.72 : 803,657.54 = 417,531.52 : x
  2. Step 2: Convert to fraction form
    535,771.72/803,657.54 = 417,531.52/x
  3. Step 3: Cross multiply
    535,771.72x = 803,657.54 × 417,531.52
  4. Step 4: Simplify right side
    535,771.72x = 335,552,354,235.66
  5. Step 5: Solve for x
    x = 335,552,354,235.66/535,771.72
  6. Step 6: Final answer
    x = 626,297.25

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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.