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Finding the Fourth Proportional to 614,890.80, 848,420.28 and 373,300.56

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Solution

The fourth proportional to 614,890.80, 848,420.28 and 373,300.56 is: 515,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,890.80 : 848,420.28 = 373,300.56 : x
  2. Step 2: Convert to fraction form
    614,890.80/848,420.28 = 373,300.56/x
  3. Step 3: Cross multiply
    614,890.80x = 848,420.28 × 373,300.56
  4. Step 4: Simplify right side
    614,890.80x = 316,715,765,639.36
  5. Step 5: Solve for x
    x = 316,715,765,639.36/614,890.80
  6. Step 6: Final answer
    x = 515,076.44

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1.5x scale

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.