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Finding the Fourth Proportional to 297,698.20, 446,417.70 and 97,941.40

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Solution

The fourth proportional to 297,698.20, 446,417.70 and 97,941.40 is: 146,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,698.20 : 446,417.70 = 97,941.40 : x
  2. Step 2: Convert to fraction form
    297,698.20/446,417.70 = 97,941.40/x
  3. Step 3: Cross multiply
    297,698.20x = 446,417.70 × 97,941.40
  4. Step 4: Simplify right side
    297,698.20x = 43,722,774,522.78
  5. Step 5: Solve for x
    x = 43,722,774,522.78/297,698.20
  6. Step 6: Final answer
    x = 146,869.46

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1.5x scale

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.