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Finding the Fourth Proportional to 706,235.76, 974,818.80 and 480,012.48

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Solution

The fourth proportional to 706,235.76, 974,818.80 and 480,012.48 is: 662,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,235.76 : 974,818.80 = 480,012.48 : x
  2. Step 2: Convert to fraction form
    706,235.76/974,818.80 = 480,012.48/x
  3. Step 3: Cross multiply
    706,235.76x = 974,818.80 × 480,012.48
  4. Step 4: Simplify right side
    706,235.76x = 467,925,189,738.62
  5. Step 5: Solve for x
    x = 467,925,189,738.62/706,235.76
  6. Step 6: Final answer
    x = 662,562.30

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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.