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Finding the Fourth Proportional to 357,433.56, 492,984.99 and 242,800.58

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Solution

The fourth proportional to 357,433.56, 492,984.99 and 242,800.58 is: 334,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,433.56 : 492,984.99 = 242,800.58 : x
  2. Step 2: Convert to fraction form
    357,433.56/492,984.99 = 242,800.58/x
  3. Step 3: Cross multiply
    357,433.56x = 492,984.99 × 242,800.58
  4. Step 4: Simplify right side
    357,433.56x = 119,697,042,735.76
  5. Step 5: Solve for x
    x = 119,697,042,735.76/357,433.56
  6. Step 6: Final answer
    x = 334,879.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.