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Finding the Fourth Proportional to 632,893.69, 873,401.43 and 346,407.63

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Solution

The fourth proportional to 632,893.69, 873,401.43 and 346,407.63 is: 478,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,893.69 : 873,401.43 = 346,407.63 : x
  2. Step 2: Convert to fraction form
    632,893.69/873,401.43 = 346,407.63/x
  3. Step 3: Cross multiply
    632,893.69x = 873,401.43 × 346,407.63
  4. Step 4: Simplify right side
    632,893.69x = 302,552,919,404.91
  5. Step 5: Solve for x
    x = 302,552,919,404.91/632,893.69
  6. Step 6: Final answer
    x = 478,046.98

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1.5x scale

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.