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Finding the Fourth Proportional to 768,460.22, 1,060,491.78 and 424,295.00

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Solution

The fourth proportional to 768,460.22, 1,060,491.78 and 424,295.00 is: 585,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,460.22 : 1,060,491.78 = 424,295.00 : x
  2. Step 2: Convert to fraction form
    768,460.22/1,060,491.78 = 424,295.00/x
  3. Step 3: Cross multiply
    768,460.22x = 1,060,491.78 × 424,295.00
  4. Step 4: Simplify right side
    768,460.22x = 449,961,354,492.64
  5. Step 5: Solve for x
    x = 449,961,354,492.64/768,460.22
  6. Step 6: Final answer
    x = 585,536.30

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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.