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Finding the Fourth Proportional to 655,897.86, 983,846.79 and 375,218.28

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Solution

The fourth proportional to 655,897.86, 983,846.79 and 375,218.28 is: 562,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,897.86 : 983,846.79 = 375,218.28 : x
  2. Step 2: Convert to fraction form
    655,897.86/983,846.79 = 375,218.28/x
  3. Step 3: Cross multiply
    655,897.86x = 983,846.79 × 375,218.28
  4. Step 4: Simplify right side
    655,897.86x = 369,157,300,327.32
  5. Step 5: Solve for x
    x = 369,157,300,327.32/655,897.86
  6. Step 6: Final answer
    x = 562,827.42

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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.