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Finding the Fourth Proportional to 909,967.20, 1,364,950.80 and 732,820.20

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Solution

The fourth proportional to 909,967.20, 1,364,950.80 and 732,820.20 is: 1,099,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,967.20 : 1,364,950.80 = 732,820.20 : x
  2. Step 2: Convert to fraction form
    909,967.20/1,364,950.80 = 732,820.20/x
  3. Step 3: Cross multiply
    909,967.20x = 1,364,950.80 × 732,820.20
  4. Step 4: Simplify right side
    909,967.20x = 1,000,263,518,246.16
  5. Step 5: Solve for x
    x = 1,000,263,518,246.16/909,967.20
  6. Step 6: Final answer
    x = 1,099,230.30

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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.