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Finding the Fourth Proportional to 504,345.24, 695,987.40 and 274,904.64

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Solution

The fourth proportional to 504,345.24, 695,987.40 and 274,904.64 is: 379,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,345.24 : 695,987.40 = 274,904.64 : x
  2. Step 2: Convert to fraction form
    504,345.24/695,987.40 = 274,904.64/x
  3. Step 3: Cross multiply
    504,345.24x = 695,987.40 × 274,904.64
  4. Step 4: Simplify right side
    504,345.24x = 191,330,165,641.54
  5. Step 5: Solve for x
    x = 191,330,165,641.54/504,345.24
  6. Step 6: Final answer
    x = 379,363.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.