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Finding the Fourth Proportional to 297,899.60, 417,612.40 and 297,899.60

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Solution

The fourth proportional to 297,899.60, 417,612.40 and 297,899.60 is: 417,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,899.60 : 417,612.40 = 297,899.60 : x
  2. Step 2: Convert to fraction form
    297,899.60/417,612.40 = 297,899.60/x
  3. Step 3: Cross multiply
    297,899.60x = 417,612.40 × 297,899.60
  4. Step 4: Simplify right side
    297,899.60x = 124,406,566,915.04
  5. Step 5: Solve for x
    x = 124,406,566,915.04/297,899.60
  6. Step 6: Final answer
    x = 417,612.40

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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.