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Finding the Fourth Proportional to 340,490.88, 469,873.62 and 187,526.16

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Solution

The fourth proportional to 340,490.88, 469,873.62 and 187,526.16 is: 258,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,490.88 : 469,873.62 = 187,526.16 : x
  2. Step 2: Convert to fraction form
    340,490.88/469,873.62 = 187,526.16/x
  3. Step 3: Cross multiply
    340,490.88x = 469,873.62 × 187,526.16
  4. Step 4: Simplify right side
    340,490.88x = 88,113,595,643.90
  5. Step 5: Solve for x
    x = 88,113,595,643.90/340,490.88
  6. Step 6: Final answer
    x = 258,784.01

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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.