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Finding the Fourth Proportional to 297,949.36, 411,145.80 and 175,422.40

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Solution

The fourth proportional to 297,949.36, 411,145.80 and 175,422.40 is: 242,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,949.36 : 411,145.80 = 175,422.40 : x
  2. Step 2: Convert to fraction form
    297,949.36/411,145.80 = 175,422.40/x
  3. Step 3: Cross multiply
    297,949.36x = 411,145.80 × 175,422.40
  4. Step 4: Simplify right side
    297,949.36x = 72,124,182,985.92
  5. Step 5: Solve for x
    x = 72,124,182,985.92/297,949.36
  6. Step 6: Final answer
    x = 242,068.60

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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.