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Finding the Fourth Proportional to 233,814.79, 322,664.34 and 126,384.76

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Solution

The fourth proportional to 233,814.79, 322,664.34 and 126,384.76 is: 174,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,814.79 : 322,664.34 = 126,384.76 : x
  2. Step 2: Convert to fraction form
    233,814.79/322,664.34 = 126,384.76/x
  3. Step 3: Cross multiply
    233,814.79x = 322,664.34 × 126,384.76
  4. Step 4: Simplify right side
    233,814.79x = 40,779,855,171.46
  5. Step 5: Solve for x
    x = 40,779,855,171.46/233,814.79
  6. Step 6: Final answer
    x = 174,410.93

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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.