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Finding the Fourth Proportional to 410,598.39, 566,876.28 and 385,185.45

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Solution

The fourth proportional to 410,598.39, 566,876.28 and 385,185.45 is: 531,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,598.39 : 566,876.28 = 385,185.45 : x
  2. Step 2: Convert to fraction form
    410,598.39/566,876.28 = 385,185.45/x
  3. Step 3: Cross multiply
    410,598.39x = 566,876.28 × 385,185.45
  4. Step 4: Simplify right side
    410,598.39x = 218,352,495,006.13
  5. Step 5: Solve for x
    x = 218,352,495,006.13/410,598.39
  6. Step 6: Final answer
    x = 531,790.92

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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.