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Finding the Fourth Proportional to 253,746.14, 380,500.01 and 147,160.40

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Solution

The fourth proportional to 253,746.14, 380,500.01 and 147,160.40 is: 220,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,746.14 : 380,500.01 = 147,160.40 : x
  2. Step 2: Convert to fraction form
    253,746.14/380,500.01 = 147,160.40/x
  3. Step 3: Cross multiply
    253,746.14x = 380,500.01 × 147,160.40
  4. Step 4: Simplify right side
    253,746.14x = 55,994,533,671.60
  5. Step 5: Solve for x
    x = 55,994,533,671.60/253,746.14
  6. Step 6: Final answer
    x = 220,671.47

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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.