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Finding the Fourth Proportional to 491,246.51, 737,049.98 and 207,008.60

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Solution

The fourth proportional to 491,246.51, 737,049.98 and 207,008.60 is: 310,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,246.51 : 737,049.98 = 207,008.60 : x
  2. Step 2: Convert to fraction form
    491,246.51/737,049.98 = 207,008.60/x
  3. Step 3: Cross multiply
    491,246.51x = 737,049.98 × 207,008.60
  4. Step 4: Simplify right side
    491,246.51x = 152,575,681,322.10
  5. Step 5: Solve for x
    x = 152,575,681,322.10/491,246.51
  6. Step 6: Final answer
    x = 310,588.84

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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.