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Finding the Fourth Proportional to 591,603.60, 887,405.40 and 556,611.60

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Solution

The fourth proportional to 591,603.60, 887,405.40 and 556,611.60 is: 834,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,603.60 : 887,405.40 = 556,611.60 : x
  2. Step 2: Convert to fraction form
    591,603.60/887,405.40 = 556,611.60/x
  3. Step 3: Cross multiply
    591,603.60x = 887,405.40 × 556,611.60
  4. Step 4: Simplify right side
    591,603.60x = 493,940,139,542.64
  5. Step 5: Solve for x
    x = 493,940,139,542.64/591,603.60
  6. Step 6: Final answer
    x = 834,917.40

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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.