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Finding the Fourth Proportional to 355,603.60, 533,405.40 and 156,019.60

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Solution

The fourth proportional to 355,603.60, 533,405.40 and 156,019.60 is: 234,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,603.60 : 533,405.40 = 156,019.60 : x
  2. Step 2: Convert to fraction form
    355,603.60/533,405.40 = 156,019.60/x
  3. Step 3: Cross multiply
    355,603.60x = 533,405.40 × 156,019.60
  4. Step 4: Simplify right side
    355,603.60x = 83,221,697,145.84
  5. Step 5: Solve for x
    x = 83,221,697,145.84/355,603.60
  6. Step 6: Final answer
    x = 234,029.40

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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.