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Finding the Fourth Proportional to 559,967.60, 839,951.40 and 550,636.40

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Solution

The fourth proportional to 559,967.60, 839,951.40 and 550,636.40 is: 825,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,967.60 : 839,951.40 = 550,636.40 : x
  2. Step 2: Convert to fraction form
    559,967.60/839,951.40 = 550,636.40/x
  3. Step 3: Cross multiply
    559,967.60x = 839,951.40 × 550,636.40
  4. Step 4: Simplify right side
    559,967.60x = 462,507,815,070.96
  5. Step 5: Solve for x
    x = 462,507,815,070.96/559,967.60
  6. Step 6: Final answer
    x = 825,954.60

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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.