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Finding the Fourth Proportional to 995,008, 1,492,512 and 363,577.60

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Solution

The fourth proportional to 995,008, 1,492,512 and 363,577.60 is: 545,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,008 : 1,492,512 = 363,577.60 : x
  2. Step 2: Convert to fraction form
    995,008/1,492,512 = 363,577.60/x
  3. Step 3: Cross multiply
    995,008x = 1,492,512 × 363,577.60
  4. Step 4: Simplify right side
    995,008x = 542,643,930,931.20
  5. Step 5: Solve for x
    x = 542,643,930,931.20/995,008
  6. Step 6: Final answer
    x = 545,366.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.