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Finding the Fourth Proportional to 281,833.65, 389,080.13 and 191,670.93

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Solution

The fourth proportional to 281,833.65, 389,080.13 and 191,670.93 is: 264,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,833.65 : 389,080.13 = 191,670.93 : x
  2. Step 2: Convert to fraction form
    281,833.65/389,080.13 = 191,670.93/x
  3. Step 3: Cross multiply
    281,833.65x = 389,080.13 × 191,670.93
  4. Step 4: Simplify right side
    281,833.65x = 74,575,349,403.27
  5. Step 5: Solve for x
    x = 74,575,349,403.27/281,833.65
  6. Step 6: Final answer
    x = 264,607.68

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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.