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Finding the Fourth Proportional to 607,268.88, 910,904.40 and 186,541.92

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Solution

The fourth proportional to 607,268.88, 910,904.40 and 186,541.92 is: 279,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,268.88 : 910,904.40 = 186,541.92 : x
  2. Step 2: Convert to fraction form
    607,268.88/910,904.40 = 186,541.92/x
  3. Step 3: Cross multiply
    607,268.88x = 910,904.40 × 186,541.92
  4. Step 4: Simplify right side
    607,268.88x = 169,921,855,712.45
  5. Step 5: Solve for x
    x = 169,921,855,712.45/607,268.88
  6. Step 6: Final answer
    x = 279,813.21

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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.