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Finding the Fourth Proportional to 348,774.60, 523,550.70 and 191,310.60

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Solution

The fourth proportional to 348,774.60, 523,550.70 and 191,310.60 is: 287,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,774.60 : 523,550.70 = 191,310.60 : x
  2. Step 2: Convert to fraction form
    348,774.60/523,550.70 = 191,310.60/x
  3. Step 3: Cross multiply
    348,774.60x = 523,550.70 × 191,310.60
  4. Step 4: Simplify right side
    348,774.60x = 100,160,798,547.42
  5. Step 5: Solve for x
    x = 100,160,798,547.42/348,774.60
  6. Step 6: Final answer
    x = 287,179.17

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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.