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Finding the Fourth Proportional to 660,624.04, 911,673.19 and 374,203.59

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Solution

The fourth proportional to 660,624.04, 911,673.19 and 374,203.59 is: 516,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,624.04 : 911,673.19 = 374,203.59 : x
  2. Step 2: Convert to fraction form
    660,624.04/911,673.19 = 374,203.59/x
  3. Step 3: Cross multiply
    660,624.04x = 911,673.19 × 374,203.59
  4. Step 4: Simplify right side
    660,624.04x = 341,151,380,604.75
  5. Step 5: Solve for x
    x = 341,151,380,604.75/660,624.04
  6. Step 6: Final answer
    x = 516,407.76

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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.