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Finding the Fourth Proportional to 357,482.34, 536,206.50 and 120,834.36

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Solution

The fourth proportional to 357,482.34, 536,206.50 and 120,834.36 is: 181,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,482.34 : 536,206.50 = 120,834.36 : x
  2. Step 2: Convert to fraction form
    357,482.34/536,206.50 = 120,834.36/x
  3. Step 3: Cross multiply
    357,482.34x = 536,206.50 × 120,834.36
  4. Step 4: Simplify right side
    357,482.34x = 64,792,169,255.34
  5. Step 5: Solve for x
    x = 64,792,169,255.34/357,482.34
  6. Step 6: Final answer
    x = 181,245.79

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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.