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Finding the Fourth Proportional to 343,160.90, 514,179.57 and 330,038.90

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Solution

The fourth proportional to 343,160.90, 514,179.57 and 330,038.90 is: 494,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,160.90 : 514,179.57 = 330,038.90 : x
  2. Step 2: Convert to fraction form
    343,160.90/514,179.57 = 330,038.90/x
  3. Step 3: Cross multiply
    343,160.90x = 514,179.57 × 330,038.90
  4. Step 4: Simplify right side
    343,160.90x = 169,699,259,685.27
  5. Step 5: Solve for x
    x = 169,699,259,685.27/343,160.90
  6. Step 6: Final answer
    x = 494,518.05

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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.