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Finding the Fourth Proportional to 497,506.01, 686,576.64 and 282,682.46

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Solution

The fourth proportional to 497,506.01, 686,576.64 and 282,682.46 is: 390,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,506.01 : 686,576.64 = 282,682.46 : x
  2. Step 2: Convert to fraction form
    497,506.01/686,576.64 = 282,682.46/x
  3. Step 3: Cross multiply
    497,506.01x = 686,576.64 × 282,682.46
  4. Step 4: Simplify right side
    497,506.01x = 194,083,170,140.85
  5. Step 5: Solve for x
    x = 194,083,170,140.85/497,506.01
  6. Step 6: Final answer
    x = 390,112.22

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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.