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Finding the Fourth Proportional to 553,258.20, 829,231.20 and 496,833.60

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Solution

The fourth proportional to 553,258.20, 829,231.20 and 496,833.60 is: 744,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,258.20 : 829,231.20 = 496,833.60 : x
  2. Step 2: Convert to fraction form
    553,258.20/829,231.20 = 496,833.60/x
  3. Step 3: Cross multiply
    553,258.20x = 829,231.20 × 496,833.60
  4. Step 4: Simplify right side
    553,258.20x = 411,989,922,328.32
  5. Step 5: Solve for x
    x = 411,989,922,328.32/553,258.20
  6. Step 6: Final answer
    x = 744,661.21

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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.