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Finding the Fourth Proportional to 515,482.92, 711,133.38 and 334,240.74

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Solution

The fourth proportional to 515,482.92, 711,133.38 and 334,240.74 is: 461,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,482.92 : 711,133.38 = 334,240.74 : x
  2. Step 2: Convert to fraction form
    515,482.92/711,133.38 = 334,240.74/x
  3. Step 3: Cross multiply
    515,482.92x = 711,133.38 × 334,240.74
  4. Step 4: Simplify right side
    515,482.92x = 237,689,747,169.90
  5. Step 5: Solve for x
    x = 237,689,747,169.90/515,482.92
  6. Step 6: Final answer
    x = 461,101.11

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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.