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Finding the Fourth Proportional to 357,310.04, 492,758.73 and 242,760.14

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Solution

The fourth proportional to 357,310.04, 492,758.73 and 242,760.14 is: 334,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,310.04 : 492,758.73 = 242,760.14 : x
  2. Step 2: Convert to fraction form
    357,310.04/492,758.73 = 242,760.14/x
  3. Step 3: Cross multiply
    357,310.04x = 492,758.73 × 242,760.14
  4. Step 4: Simplify right side
    357,310.04x = 119,622,178,281.02
  5. Step 5: Solve for x
    x = 119,622,178,281.02/357,310.04
  6. Step 6: Final answer
    x = 334,785.38

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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.