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Finding the Fourth Proportional to 710,525.40, 1,064,232.90 and 617,213.40

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Solution

The fourth proportional to 710,525.40, 1,064,232.90 and 617,213.40 is: 924,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,525.40 : 1,064,232.90 = 617,213.40 : x
  2. Step 2: Convert to fraction form
    710,525.40/1,064,232.90 = 617,213.40/x
  3. Step 3: Cross multiply
    710,525.40x = 1,064,232.90 × 617,213.40
  4. Step 4: Simplify right side
    710,525.40x = 656,858,806,600.86
  5. Step 5: Solve for x
    x = 656,858,806,600.86/710,525.40
  6. Step 6: Final answer
    x = 924,469.14

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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.