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Finding the Fourth Proportional to 660,595.56, 911,566.22 and 366,253.16

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Solution

The fourth proportional to 660,595.56, 911,566.22 and 366,253.16 is: 505,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,595.56 : 911,566.22 = 366,253.16 : x
  2. Step 2: Convert to fraction form
    660,595.56/911,566.22 = 366,253.16/x
  3. Step 3: Cross multiply
    660,595.56x = 911,566.22 × 366,253.16
  4. Step 4: Simplify right side
    660,595.56x = 333,864,002,235.16
  5. Step 5: Solve for x
    x = 333,864,002,235.16/660,595.56
  6. Step 6: Final answer
    x = 505,398.50

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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.