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Finding the Fourth Proportional to 308,074.64, 425,095.08 and 173,935.76

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Solution

The fourth proportional to 308,074.64, 425,095.08 and 173,935.76 is: 240,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,074.64 : 425,095.08 = 173,935.76 : x
  2. Step 2: Convert to fraction form
    308,074.64/425,095.08 = 173,935.76/x
  3. Step 3: Cross multiply
    308,074.64x = 425,095.08 × 173,935.76
  4. Step 4: Simplify right side
    308,074.64x = 73,939,235,812.06
  5. Step 5: Solve for x
    x = 73,939,235,812.06/308,074.64
  6. Step 6: Final answer
    x = 240,004.29

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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.