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Finding the Fourth Proportional to 474,578.10, 710,830.35 and 368,565.30

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Solution

The fourth proportional to 474,578.10, 710,830.35 and 368,565.30 is: 552,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,578.10 : 710,830.35 = 368,565.30 : x
  2. Step 2: Convert to fraction form
    474,578.10/710,830.35 = 368,565.30/x
  3. Step 3: Cross multiply
    474,578.10x = 710,830.35 × 368,565.30
  4. Step 4: Simplify right side
    474,578.10x = 261,987,401,196.86
  5. Step 5: Solve for x
    x = 261,987,401,196.86/474,578.10
  6. Step 6: Final answer
    x = 552,042.75

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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.