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Finding the Fourth Proportional to 607,729.84, 909,281.80 and 366,957.52

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Solution

The fourth proportional to 607,729.84, 909,281.80 and 366,957.52 is: 549,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,729.84 : 909,281.80 = 366,957.52 : x
  2. Step 2: Convert to fraction form
    607,729.84/909,281.80 = 366,957.52/x
  3. Step 3: Cross multiply
    607,729.84x = 909,281.80 × 366,957.52
  4. Step 4: Simplify right side
    607,729.84x = 333,667,794,309.14
  5. Step 5: Solve for x
    x = 333,667,794,309.14/607,729.84
  6. Step 6: Final answer
    x = 549,039.68

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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.