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Finding the Fourth Proportional to 619,802.75, 929,598.88 and 282,764.18

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Solution

The fourth proportional to 619,802.75, 929,598.88 and 282,764.18 is: 424,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,802.75 : 929,598.88 = 282,764.18 : x
  2. Step 2: Convert to fraction form
    619,802.75/929,598.88 = 282,764.18/x
  3. Step 3: Cross multiply
    619,802.75x = 929,598.88 × 282,764.18
  4. Step 4: Simplify right side
    619,802.75x = 262,857,266,649.21
  5. Step 5: Solve for x
    x = 262,857,266,649.21/619,802.75
  6. Step 6: Final answer
    x = 424,098.26

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1.5x scale

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.