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Finding the Fourth Proportional to 496,498.15, 745,055.03 and 260,010.55

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Solution

The fourth proportional to 496,498.15, 745,055.03 and 260,010.55 is: 390,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,498.15 : 745,055.03 = 260,010.55 : x
  2. Step 2: Convert to fraction form
    496,498.15/745,055.03 = 260,010.55/x
  3. Step 3: Cross multiply
    496,498.15x = 745,055.03 × 260,010.55
  4. Step 4: Simplify right side
    496,498.15x = 193,722,166,830.51
  5. Step 5: Solve for x
    x = 193,722,166,830.51/496,498.15
  6. Step 6: Final answer
    x = 390,177.02

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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.