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Finding the Fourth Proportional to 433,525.68, 598,065.84 and 280,612.98

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Solution

The fourth proportional to 433,525.68, 598,065.84 and 280,612.98 is: 387,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,525.68 : 598,065.84 = 280,612.98 : x
  2. Step 2: Convert to fraction form
    433,525.68/598,065.84 = 280,612.98/x
  3. Step 3: Cross multiply
    433,525.68x = 598,065.84 × 280,612.98
  4. Step 4: Simplify right side
    433,525.68x = 167,825,037,598.60
  5. Step 5: Solve for x
    x = 167,825,037,598.60/433,525.68
  6. Step 6: Final answer
    x = 387,116.72

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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.