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Finding the Fourth Proportional to 568,745.46, 849,430.82 and 515,330.82

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Solution

The fourth proportional to 568,745.46, 849,430.82 and 515,330.82 is: 769,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,745.46 : 849,430.82 = 515,330.82 : x
  2. Step 2: Convert to fraction form
    568,745.46/849,430.82 = 515,330.82/x
  3. Step 3: Cross multiply
    568,745.46x = 849,430.82 × 515,330.82
  4. Step 4: Simplify right side
    568,745.46x = 437,737,878,427.22
  5. Step 5: Solve for x
    x = 437,737,878,427.22/568,745.46
  6. Step 6: Final answer
    x = 769,655.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.