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Finding the Fourth Proportional to 407,866.70, 611,202.45 and 365,746.70

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Solution

The fourth proportional to 407,866.70, 611,202.45 and 365,746.70 is: 548,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,866.70 : 611,202.45 = 365,746.70 : x
  2. Step 2: Convert to fraction form
    407,866.70/611,202.45 = 365,746.70/x
  3. Step 3: Cross multiply
    407,866.70x = 611,202.45 × 365,746.70
  4. Step 4: Simplify right side
    407,866.70x = 223,545,279,119.42
  5. Step 5: Solve for x
    x = 223,545,279,119.42/407,866.70
  6. Step 6: Final answer
    x = 548,084.16

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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.