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Finding the Fourth Proportional to 400,303.08, 600,661.08 and 175,820.76

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Solution

The fourth proportional to 400,303.08, 600,661.08 and 175,820.76 is: 263,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,303.08 : 600,661.08 = 175,820.76 : x
  2. Step 2: Convert to fraction form
    400,303.08/600,661.08 = 175,820.76/x
  3. Step 3: Cross multiply
    400,303.08x = 600,661.08 × 175,820.76
  4. Step 4: Simplify right side
    400,303.08x = 105,608,687,588.02
  5. Step 5: Solve for x
    x = 105,608,687,588.02/400,303.08
  6. Step 6: Final answer
    x = 263,821.82

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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.