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Finding the Fourth Proportional to 692,893, 956,195.22 and 374,941

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Solution

The fourth proportional to 692,893, 956,195.22 and 374,941 is: 517,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,893 : 956,195.22 = 374,941 : x
  2. Step 2: Convert to fraction form
    692,893/956,195.22 = 374,941/x
  3. Step 3: Cross multiply
    692,893x = 956,195.22 × 374,941
  4. Step 4: Simplify right side
    692,893x = 358,516,791,982.02
  5. Step 5: Solve for x
    x = 358,516,791,982.02/692,893
  6. Step 6: Final answer
    x = 517,420.14

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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.