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Finding the Fourth Proportional to 450,802.88, 622,127.41 and 249,598.88

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Solution

The fourth proportional to 450,802.88, 622,127.41 and 249,598.88 is: 344,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,802.88 : 622,127.41 = 249,598.88 : x
  2. Step 2: Convert to fraction form
    450,802.88/622,127.41 = 249,598.88/x
  3. Step 3: Cross multiply
    450,802.88x = 622,127.41 × 249,598.88
  4. Step 4: Simplify right side
    450,802.88x = 155,282,301,018.67
  5. Step 5: Solve for x
    x = 155,282,301,018.67/450,802.88
  6. Step 6: Final answer
    x = 344,457.21

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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.