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Finding the Fourth Proportional to 555,800.72, 767,035.08 and 314,093.36

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Solution

The fourth proportional to 555,800.72, 767,035.08 and 314,093.36 is: 433,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,800.72 : 767,035.08 = 314,093.36 : x
  2. Step 2: Convert to fraction form
    555,800.72/767,035.08 = 314,093.36/x
  3. Step 3: Cross multiply
    555,800.72x = 767,035.08 × 314,093.36
  4. Step 4: Simplify right side
    555,800.72x = 240,920,625,515.07
  5. Step 5: Solve for x
    x = 240,920,625,515.07/555,800.72
  6. Step 6: Final answer
    x = 433,465.84

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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.