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Finding the Fourth Proportional to 698,067.11, 963,373.76 and 525,680.93

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Solution

The fourth proportional to 698,067.11, 963,373.76 and 525,680.93 is: 725,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,067.11 : 963,373.76 = 525,680.93 : x
  2. Step 2: Convert to fraction form
    698,067.11/963,373.76 = 525,680.93/x
  3. Step 3: Cross multiply
    698,067.11x = 963,373.76 × 525,680.93
  4. Step 4: Simplify right side
    698,067.11x = 506,427,214,094.40
  5. Step 5: Solve for x
    x = 506,427,214,094.40/698,067.11
  6. Step 6: Final answer
    x = 725,470.67

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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.