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Finding the Fourth Proportional to 358,090.92, 537,171.46 and 130,448.40

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Solution

The fourth proportional to 358,090.92, 537,171.46 and 130,448.40 is: 195,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,090.92 : 537,171.46 = 130,448.40 : x
  2. Step 2: Convert to fraction form
    358,090.92/537,171.46 = 130,448.40/x
  3. Step 3: Cross multiply
    358,090.92x = 537,171.46 × 130,448.40
  4. Step 4: Simplify right side
    358,090.92x = 70,073,157,482.66
  5. Step 5: Solve for x
    x = 70,073,157,482.66/358,090.92
  6. Step 6: Final answer
    x = 195,685.38

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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.