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Finding the Fourth Proportional to 497,010.86, 685,903.81 and 374,283.52

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Solution

The fourth proportional to 497,010.86, 685,903.81 and 374,283.52 is: 516,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,010.86 : 685,903.81 = 374,283.52 : x
  2. Step 2: Convert to fraction form
    497,010.86/685,903.81 = 374,283.52/x
  3. Step 3: Cross multiply
    497,010.86x = 685,903.81 × 374,283.52
  4. Step 4: Simplify right side
    497,010.86x = 256,722,492,388.21
  5. Step 5: Solve for x
    x = 256,722,492,388.21/497,010.86
  6. Step 6: Final answer
    x = 516,532.96

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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.