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Finding the Fourth Proportional to 539,152.96, 744,030.04 and 294,137.72

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Solution

The fourth proportional to 539,152.96, 744,030.04 and 294,137.72 is: 405,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,152.96 : 744,030.04 = 294,137.72 : x
  2. Step 2: Convert to fraction form
    539,152.96/744,030.04 = 294,137.72/x
  3. Step 3: Cross multiply
    539,152.96x = 744,030.04 × 294,137.72
  4. Step 4: Simplify right side
    539,152.96x = 218,847,299,577.11
  5. Step 5: Solve for x
    x = 218,847,299,577.11/539,152.96
  6. Step 6: Final answer
    x = 405,909.48

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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.