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Finding the Fourth Proportional to 676,355.25, 933,399.60 and 374,549.25

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Solution

The fourth proportional to 676,355.25, 933,399.60 and 374,549.25 is: 516,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,355.25 : 933,399.60 = 374,549.25 : x
  2. Step 2: Convert to fraction form
    676,355.25/933,399.60 = 374,549.25/x
  3. Step 3: Cross multiply
    676,355.25x = 933,399.60 × 374,549.25
  4. Step 4: Simplify right side
    676,355.25x = 349,604,120,130.30
  5. Step 5: Solve for x
    x = 349,604,120,130.30/676,355.25
  6. Step 6: Final answer
    x = 516,894.22

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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.