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Finding the Fourth Proportional to 768,491.03, 1,060,534.47 and 424,326.03

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Solution

The fourth proportional to 768,491.03, 1,060,534.47 and 424,326.03 is: 585,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,491.03 : 1,060,534.47 = 424,326.03 : x
  2. Step 2: Convert to fraction form
    768,491.03/1,060,534.47 = 424,326.03/x
  3. Step 3: Cross multiply
    768,491.03x = 1,060,534.47 × 424,326.03
  4. Step 4: Simplify right side
    768,491.03x = 450,012,376,030.58
  5. Step 5: Solve for x
    x = 450,012,376,030.58/768,491.03
  6. Step 6: Final answer
    x = 585,579.22

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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.