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Finding the Fourth Proportional to 903,733.66, 1,355,766.54 and 736,717.60

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Solution

The fourth proportional to 903,733.66, 1,355,766.54 and 736,717.60 is: 1,105,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,733.66 : 1,355,766.54 = 736,717.60 : x
  2. Step 2: Convert to fraction form
    903,733.66/1,355,766.54 = 736,717.60/x
  3. Step 3: Cross multiply
    903,733.66x = 1,355,766.54 × 736,717.60
  4. Step 4: Simplify right side
    903,733.66x = 998,817,071,509.10
  5. Step 5: Solve for x
    x = 998,817,071,509.10/903,733.66
  6. Step 6: Final answer
    x = 1,105,211.76

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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.