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Finding the Fourth Proportional to 302,680.56, 417,702 and 166,715.01

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Solution

The fourth proportional to 302,680.56, 417,702 and 166,715.01 is: 230,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,680.56 : 417,702 = 166,715.01 : x
  2. Step 2: Convert to fraction form
    302,680.56/417,702 = 166,715.01/x
  3. Step 3: Cross multiply
    302,680.56x = 417,702 × 166,715.01
  4. Step 4: Simplify right side
    302,680.56x = 69,637,193,107.02
  5. Step 5: Solve for x
    x = 69,637,193,107.02/302,680.56
  6. Step 6: Final answer
    x = 230,068.27

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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.