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Finding the Fourth Proportional to 370,719.76, 556,112.44 and 104,482.64

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Solution

The fourth proportional to 370,719.76, 556,112.44 and 104,482.64 is: 156,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,719.76 : 556,112.44 = 104,482.64 : x
  2. Step 2: Convert to fraction form
    370,719.76/556,112.44 = 104,482.64/x
  3. Step 3: Cross multiply
    370,719.76x = 556,112.44 × 104,482.64
  4. Step 4: Simplify right side
    370,719.76x = 58,104,095,868.04
  5. Step 5: Solve for x
    x = 58,104,095,868.04/370,719.76
  6. Step 6: Final answer
    x = 156,733.20

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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.