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Finding the Fourth Proportional to 497,225.40, 745,838.10 and 181,908.60

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Solution

The fourth proportional to 497,225.40, 745,838.10 and 181,908.60 is: 272,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,225.40 : 745,838.10 = 181,908.60 : x
  2. Step 2: Convert to fraction form
    497,225.40/745,838.10 = 181,908.60/x
  3. Step 3: Cross multiply
    497,225.40x = 745,838.10 × 181,908.60
  4. Step 4: Simplify right side
    497,225.40x = 135,674,364,597.66
  5. Step 5: Solve for x
    x = 135,674,364,597.66/497,225.40
  6. Step 6: Final answer
    x = 272,862.90

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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.