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Finding the Fourth Proportional to 539,638.01, 744,688.62 and 294,614.39

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Solution

The fourth proportional to 539,638.01, 744,688.62 and 294,614.39 is: 406,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,638.01 : 744,688.62 = 294,614.39 : x
  2. Step 2: Convert to fraction form
    539,638.01/744,688.62 = 294,614.39/x
  3. Step 3: Cross multiply
    539,638.01x = 744,688.62 × 294,614.39
  4. Step 4: Simplify right side
    539,638.01x = 219,395,985,382.96
  5. Step 5: Solve for x
    x = 219,395,985,382.96/539,638.01
  6. Step 6: Final answer
    x = 406,561.40

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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.