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Finding the Fourth Proportional to 346,542.60, 519,886.80 and 146,760.15

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Solution

The fourth proportional to 346,542.60, 519,886.80 and 146,760.15 is: 220,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,542.60 : 519,886.80 = 146,760.15 : x
  2. Step 2: Convert to fraction form
    346,542.60/519,886.80 = 146,760.15/x
  3. Step 3: Cross multiply
    346,542.60x = 519,886.80 × 146,760.15
  4. Step 4: Simplify right side
    346,542.60x = 76,298,664,751.02
  5. Step 5: Solve for x
    x = 76,298,664,751.02/346,542.60
  6. Step 6: Final answer
    x = 220,171.10

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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.