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Finding the Fourth Proportional to 713,216.70, 984,339.95 and 441,372.15

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Solution

The fourth proportional to 713,216.70, 984,339.95 and 441,372.15 is: 609,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,216.70 : 984,339.95 = 441,372.15 : x
  2. Step 2: Convert to fraction form
    713,216.70/984,339.95 = 441,372.15/x
  3. Step 3: Cross multiply
    713,216.70x = 984,339.95 × 441,372.15
  4. Step 4: Simplify right side
    713,216.70x = 434,460,237,855.53
  5. Step 5: Solve for x
    x = 434,460,237,855.53/713,216.70
  6. Step 6: Final answer
    x = 609,156.01

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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.