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Finding the Fourth Proportional to 549,035.96, 757,440.33 and 358,042.82

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Solution

The fourth proportional to 549,035.96, 757,440.33 and 358,042.82 is: 493,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,035.96 : 757,440.33 = 358,042.82 : x
  2. Step 2: Convert to fraction form
    549,035.96/757,440.33 = 358,042.82/x
  3. Step 3: Cross multiply
    549,035.96x = 757,440.33 × 358,042.82
  4. Step 4: Simplify right side
    549,035.96x = 271,196,071,734.93
  5. Step 5: Solve for x
    x = 271,196,071,734.93/549,035.96
  6. Step 6: Final answer
    x = 493,949.56

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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.