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Finding the Fourth Proportional to 252,374.58, 378,730.22 and 130,907.06

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Solution

The fourth proportional to 252,374.58, 378,730.22 and 130,907.06 is: 196,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,374.58 : 378,730.22 = 130,907.06 : x
  2. Step 2: Convert to fraction form
    252,374.58/378,730.22 = 130,907.06/x
  3. Step 3: Cross multiply
    252,374.58x = 378,730.22 × 130,907.06
  4. Step 4: Simplify right side
    252,374.58x = 49,578,459,925.64
  5. Step 5: Solve for x
    x = 49,578,459,925.64/252,374.58
  6. Step 6: Final answer
    x = 196,447.91

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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.