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Finding the Fourth Proportional to 370,900.84, 556,420.42 and 168,511.12

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Solution

The fourth proportional to 370,900.84, 556,420.42 and 168,511.12 is: 252,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,900.84 : 556,420.42 = 168,511.12 : x
  2. Step 2: Convert to fraction form
    370,900.84/556,420.42 = 168,511.12/x
  3. Step 3: Cross multiply
    370,900.84x = 556,420.42 × 168,511.12
  4. Step 4: Simplify right side
    370,900.84x = 93,763,028,165.07
  5. Step 5: Solve for x
    x = 93,763,028,165.07/370,900.84
  6. Step 6: Final answer
    x = 252,798.10

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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.