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Finding the Fourth Proportional to 607,965.34, 912,415.48 and 576,745.91

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Solution

The fourth proportional to 607,965.34, 912,415.48 and 576,745.91 is: 865,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,965.34 : 912,415.48 = 576,745.91 : x
  2. Step 2: Convert to fraction form
    607,965.34/912,415.48 = 576,745.91/x
  3. Step 3: Cross multiply
    607,965.34x = 912,415.48 × 576,745.91
  4. Step 4: Simplify right side
    607,965.34x = 526,231,897,149.86
  5. Step 5: Solve for x
    x = 526,231,897,149.86/607,965.34
  6. Step 6: Final answer
    x = 865,562.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.