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Finding the Fourth Proportional to 676,364.13, 933,411.84 and 374,558.13

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Solution

The fourth proportional to 676,364.13, 933,411.84 and 374,558.13 is: 516,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,364.13 : 933,411.84 = 374,558.13 : x
  2. Step 2: Convert to fraction form
    676,364.13/933,411.84 = 374,558.13/x
  3. Step 3: Cross multiply
    676,364.13x = 933,411.84 × 374,558.13
  4. Step 4: Simplify right side
    676,364.13x = 349,616,993,310.26
  5. Step 5: Solve for x
    x = 349,616,993,310.26/676,364.13
  6. Step 6: Final answer
    x = 516,906.47

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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.