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Finding the Fourth Proportional to 658,772.93, 909,099.08 and 356,966.93

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Solution

The fourth proportional to 658,772.93, 909,099.08 and 356,966.93 is: 492,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,772.93 : 909,099.08 = 356,966.93 : x
  2. Step 2: Convert to fraction form
    658,772.93/909,099.08 = 356,966.93/x
  3. Step 3: Cross multiply
    658,772.93x = 909,099.08 × 356,966.93
  4. Step 4: Simplify right side
    658,772.93x = 324,518,309,479.96
  5. Step 5: Solve for x
    x = 324,518,309,479.96/658,772.93
  6. Step 6: Final answer
    x = 492,610.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.