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Finding the Fourth Proportional to 297,901.60, 417,615.20 and 297,901.60

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Solution

The fourth proportional to 297,901.60, 417,615.20 and 297,901.60 is: 417,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,901.60 : 417,615.20 = 297,901.60 : x
  2. Step 2: Convert to fraction form
    297,901.60/417,615.20 = 297,901.60/x
  3. Step 3: Cross multiply
    297,901.60x = 417,615.20 × 297,901.60
  4. Step 4: Simplify right side
    297,901.60x = 124,408,236,264.32
  5. Step 5: Solve for x
    x = 124,408,236,264.32/297,901.60
  6. Step 6: Final answer
    x = 417,615.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.