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Finding the Fourth Proportional to 837,751.95, 1,156,064.54 and 455,770.53

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Solution

The fourth proportional to 837,751.95, 1,156,064.54 and 455,770.53 is: 628,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,751.95 : 1,156,064.54 = 455,770.53 : x
  2. Step 2: Convert to fraction form
    837,751.95/1,156,064.54 = 455,770.53/x
  3. Step 3: Cross multiply
    837,751.95x = 1,156,064.54 × 455,770.53
  4. Step 4: Simplify right side
    837,751.95x = 526,900,145,831.15
  5. Step 5: Solve for x
    x = 526,900,145,831.15/837,751.95
  6. Step 6: Final answer
    x = 628,945.29

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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.