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Finding the Fourth Proportional to 497,095.42, 685,999.65 and 270,740.92

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Solution

The fourth proportional to 497,095.42, 685,999.65 and 270,740.92 is: 373,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,095.42 : 685,999.65 = 270,740.92 : x
  2. Step 2: Convert to fraction form
    497,095.42/685,999.65 = 270,740.92/x
  3. Step 3: Cross multiply
    497,095.42x = 685,999.65 × 270,740.92
  4. Step 4: Simplify right side
    497,095.42x = 185,728,176,360.68
  5. Step 5: Solve for x
    x = 185,728,176,360.68/497,095.42
  6. Step 6: Final answer
    x = 373,626.81

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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.