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Finding the Fourth Proportional to 614,481.48, 916,494.66 and 603,847.80

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Solution

The fourth proportional to 614,481.48, 916,494.66 and 603,847.80 is: 900,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,481.48 : 916,494.66 = 603,847.80 : x
  2. Step 2: Convert to fraction form
    614,481.48/916,494.66 = 603,847.80/x
  3. Step 3: Cross multiply
    614,481.48x = 916,494.66 × 603,847.80
  4. Step 4: Simplify right side
    614,481.48x = 553,423,284,152.75
  5. Step 5: Solve for x
    x = 553,423,284,152.75/614,481.48
  6. Step 6: Final answer
    x = 900,634.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.