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Finding the Fourth Proportional to 655,522.07, 904,637.36 and 369,052.40

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Solution

The fourth proportional to 655,522.07, 904,637.36 and 369,052.40 is: 509,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,522.07 : 904,637.36 = 369,052.40 : x
  2. Step 2: Convert to fraction form
    655,522.07/904,637.36 = 369,052.40/x
  3. Step 3: Cross multiply
    655,522.07x = 904,637.36 × 369,052.40
  4. Step 4: Simplify right side
    655,522.07x = 333,858,592,021.89
  5. Step 5: Solve for x
    x = 333,858,592,021.89/655,522.07
  6. Step 6: Final answer
    x = 509,301.84

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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.