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Finding the Fourth Proportional to 343,501.80, 515,252.70 and 94,183.40

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Solution

The fourth proportional to 343,501.80, 515,252.70 and 94,183.40 is: 141,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,501.80 : 515,252.70 = 94,183.40 : x
  2. Step 2: Convert to fraction form
    343,501.80/515,252.70 = 94,183.40/x
  3. Step 3: Cross multiply
    343,501.80x = 515,252.70 × 94,183.40
  4. Step 4: Simplify right side
    343,501.80x = 48,528,251,145.18
  5. Step 5: Solve for x
    x = 48,528,251,145.18/343,501.80
  6. Step 6: Final answer
    x = 141,275.10

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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.