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Finding the Fourth Proportional to 532,885.77, 735,708.17 and 346,794.55

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Solution

The fourth proportional to 532,885.77, 735,708.17 and 346,794.55 is: 478,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,885.77 : 735,708.17 = 346,794.55 : x
  2. Step 2: Convert to fraction form
    532,885.77/735,708.17 = 346,794.55/x
  3. Step 3: Cross multiply
    532,885.77x = 735,708.17 × 346,794.55
  4. Step 4: Simplify right side
    532,885.77x = 255,139,580,067.93
  5. Step 5: Solve for x
    x = 255,139,580,067.93/532,885.77
  6. Step 6: Final answer
    x = 478,788.50

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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.