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Finding the Fourth Proportional to 473,384.80, 710,595.60 and 263,432.80

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Solution

The fourth proportional to 473,384.80, 710,595.60 and 263,432.80 is: 395,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,384.80 : 710,595.60 = 263,432.80 : x
  2. Step 2: Convert to fraction form
    473,384.80/710,595.60 = 263,432.80/x
  3. Step 3: Cross multiply
    473,384.80x = 710,595.60 × 263,432.80
  4. Step 4: Simplify right side
    473,384.80x = 187,194,188,575.68
  5. Step 5: Solve for x
    x = 187,194,188,575.68/473,384.80
  6. Step 6: Final answer
    x = 395,437.68

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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.