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Finding the Fourth Proportional to 698,328.72, 963,805.92 and 652,741.50

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Solution

The fourth proportional to 698,328.72, 963,805.92 and 652,741.50 is: 900,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,328.72 : 963,805.92 = 652,741.50 : x
  2. Step 2: Convert to fraction form
    698,328.72/963,805.92 = 652,741.50/x
  3. Step 3: Cross multiply
    698,328.72x = 963,805.92 × 652,741.50
  4. Step 4: Simplify right side
    698,328.72x = 629,116,121,929.68
  5. Step 5: Solve for x
    x = 629,116,121,929.68/698,328.72
  6. Step 6: Final answer
    x = 900,888.23

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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.