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Finding the Fourth Proportional to 484,428.40, 726,642.60 and 462,655.60

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Solution

The fourth proportional to 484,428.40, 726,642.60 and 462,655.60 is: 693,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,428.40 : 726,642.60 = 462,655.60 : x
  2. Step 2: Convert to fraction form
    484,428.40/726,642.60 = 462,655.60/x
  3. Step 3: Cross multiply
    484,428.40x = 726,642.60 × 462,655.60
  4. Step 4: Simplify right side
    484,428.40x = 336,185,268,088.56
  5. Step 5: Solve for x
    x = 336,185,268,088.56/484,428.40
  6. Step 6: Final answer
    x = 693,983.40

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1.5x scale

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.