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Finding the Fourth Proportional to 316,700.94, 437,048.47 and 171,506.81

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Solution

The fourth proportional to 316,700.94, 437,048.47 and 171,506.81 is: 236,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,700.94 : 437,048.47 = 171,506.81 : x
  2. Step 2: Convert to fraction form
    316,700.94/437,048.47 = 171,506.81/x
  3. Step 3: Cross multiply
    316,700.94x = 437,048.47 × 171,506.81
  4. Step 4: Simplify right side
    316,700.94x = 74,956,788,905.08
  5. Step 5: Solve for x
    x = 74,956,788,905.08/316,700.94
  6. Step 6: Final answer
    x = 236,680.03

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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.