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Finding the Fourth Proportional to 559,962.60, 839,943.90 and 550,631.40

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Solution

The fourth proportional to 559,962.60, 839,943.90 and 550,631.40 is: 825,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,962.60 : 839,943.90 = 550,631.40 : x
  2. Step 2: Convert to fraction form
    559,962.60/839,943.90 = 550,631.40/x
  3. Step 3: Cross multiply
    559,962.60x = 839,943.90 × 550,631.40
  4. Step 4: Simplify right side
    559,962.60x = 462,499,485,578.46
  5. Step 5: Solve for x
    x = 462,499,485,578.46/559,962.60
  6. Step 6: Final answer
    x = 825,947.10

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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.