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Finding the Fourth Proportional to 473,790.54, 710,607.90 and 170,121.81

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Solution

The fourth proportional to 473,790.54, 710,607.90 and 170,121.81 is: 255,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,790.54 : 710,607.90 = 170,121.81 : x
  2. Step 2: Convert to fraction form
    473,790.54/710,607.90 = 170,121.81/x
  3. Step 3: Cross multiply
    473,790.54x = 710,607.90 × 170,121.81
  4. Step 4: Simplify right side
    473,790.54x = 120,889,902,148.30
  5. Step 5: Solve for x
    x = 120,889,902,148.30/473,790.54
  6. Step 6: Final answer
    x = 255,154.74

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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.