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Finding the Fourth Proportional to 473,673.15, 710,557.56 and 153,811.62

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Solution

The fourth proportional to 473,673.15, 710,557.56 and 153,811.62 is: 230,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,673.15 : 710,557.56 = 153,811.62 : x
  2. Step 2: Convert to fraction form
    473,673.15/710,557.56 = 153,811.62/x
  3. Step 3: Cross multiply
    473,673.15x = 710,557.56 × 153,811.62
  4. Step 4: Simplify right side
    473,673.15x = 109,292,009,406.85
  5. Step 5: Solve for x
    x = 109,292,009,406.85/473,673.15
  6. Step 6: Final answer
    x = 230,732.96

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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.