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Finding the Fourth Proportional to 392,238,802.80, 541,249,491.48 and 241,507,522.80

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Solution

The fourth proportional to 392,238,802.80, 541,249,491.48 and 241,507,522.80 is: 333,255,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,238,802.80 : 541,249,491.48 = 241,507,522.80 : x
  2. Step 2: Convert to fraction form
    392,238,802.80/541,249,491.48 = 241,507,522.80/x
  3. Step 3: Cross multiply
    392,238,802.80x = 541,249,491.48 × 241,507,522.80
  4. Step 4: Simplify right side
    392,238,802.80x = 130,715,823,904,094,512
  5. Step 5: Solve for x
    x = 130,715,823,904,094,512/392,238,802.80
  6. Step 6: Final answer
    x = 333,255,718.13

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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.