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Finding the Fourth Proportional to 317,737.67, 438,477.44 and 174,497.72

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Solution

The fourth proportional to 317,737.67, 438,477.44 and 174,497.72 is: 240,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,737.67 : 438,477.44 = 174,497.72 : x
  2. Step 2: Convert to fraction form
    317,737.67/438,477.44 = 174,497.72/x
  3. Step 3: Cross multiply
    317,737.67x = 438,477.44 × 174,497.72
  4. Step 4: Simplify right side
    317,737.67x = 76,513,311,468.11
  5. Step 5: Solve for x
    x = 76,513,311,468.11/317,737.67
  6. Step 6: Final answer
    x = 240,806.55

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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.