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Finding the Fourth Proportional to 497,547.26, 686,613.60 and 271,192.76

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Solution

The fourth proportional to 497,547.26, 686,613.60 and 271,192.76 is: 374,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,547.26 : 686,613.60 = 271,192.76 : x
  2. Step 2: Convert to fraction form
    497,547.26/686,613.60 = 271,192.76/x
  3. Step 3: Cross multiply
    497,547.26x = 686,613.60 × 271,192.76
  4. Step 4: Simplify right side
    497,547.26x = 186,204,637,237.54
  5. Step 5: Solve for x
    x = 186,204,637,237.54/497,547.26
  6. Step 6: Final answer
    x = 374,245.13

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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.