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Finding the Fourth Proportional to 607,051.20, 910,686.15 and 252,101.10

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Solution

The fourth proportional to 607,051.20, 910,686.15 and 252,101.10 is: 378,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,051.20 : 910,686.15 = 252,101.10 : x
  2. Step 2: Convert to fraction form
    607,051.20/910,686.15 = 252,101.10/x
  3. Step 3: Cross multiply
    607,051.20x = 910,686.15 × 252,101.10
  4. Step 4: Simplify right side
    607,051.20x = 229,584,980,169.77
  5. Step 5: Solve for x
    x = 229,584,980,169.77/607,051.20
  6. Step 6: Final answer
    x = 378,197.06

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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.