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Finding the Fourth Proportional to 316,795.81, 437,174.58 and 171,598.83

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Solution

The fourth proportional to 316,795.81, 437,174.58 and 171,598.83 is: 236,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,795.81 : 437,174.58 = 171,598.83 : x
  2. Step 2: Convert to fraction form
    316,795.81/437,174.58 = 171,598.83/x
  3. Step 3: Cross multiply
    316,795.81x = 437,174.58 × 171,598.83
  4. Step 4: Simplify right side
    316,795.81x = 75,018,646,433.74
  5. Step 5: Solve for x
    x = 75,018,646,433.74/316,795.81
  6. Step 6: Final answer
    x = 236,804.41

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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.