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Finding the Fourth Proportional to 497,513.04, 686,586.48 and 282,689.52

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Solution

The fourth proportional to 497,513.04, 686,586.48 and 282,689.52 is: 390,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,513.04 : 686,586.48 = 282,689.52 : x
  2. Step 2: Convert to fraction form
    497,513.04/686,586.48 = 282,689.52/x
  3. Step 3: Cross multiply
    497,513.04x = 686,586.48 × 282,689.52
  4. Step 4: Simplify right side
    497,513.04x = 194,090,802,469.69
  5. Step 5: Solve for x
    x = 194,090,802,469.69/497,513.04
  6. Step 6: Final answer
    x = 390,122.04

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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.