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Finding the Fourth Proportional to 523,998.61, 786,098.35 and 168,917.29

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Solution

The fourth proportional to 523,998.61, 786,098.35 and 168,917.29 is: 253,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,998.61 : 786,098.35 = 168,917.29 : x
  2. Step 2: Convert to fraction form
    523,998.61/786,098.35 = 168,917.29/x
  3. Step 3: Cross multiply
    523,998.61x = 786,098.35 × 168,917.29
  4. Step 4: Simplify right side
    523,998.61x = 132,785,602,955.47
  5. Step 5: Solve for x
    x = 132,785,602,955.47/523,998.61
  6. Step 6: Final answer
    x = 253,408.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.