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Finding the Fourth Proportional to 539,502.30, 744,531.21 and 294,501.60

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Solution

The fourth proportional to 539,502.30, 744,531.21 and 294,501.60 is: 406,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,502.30 : 744,531.21 = 294,501.60 : x
  2. Step 2: Convert to fraction form
    539,502.30/744,531.21 = 294,501.60/x
  3. Step 3: Cross multiply
    539,502.30x = 744,531.21 × 294,501.60
  4. Step 4: Simplify right side
    539,502.30x = 219,265,632,594.94
  5. Step 5: Solve for x
    x = 219,265,632,594.94/539,502.30
  6. Step 6: Final answer
    x = 406,422.05

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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.