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Finding the Fourth Proportional to 676,483.17, 933,513.59 and 370,560.90

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Solution

The fourth proportional to 676,483.17, 933,513.59 and 370,560.90 is: 511,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,483.17 : 933,513.59 = 370,560.90 : x
  2. Step 2: Convert to fraction form
    676,483.17/933,513.59 = 370,560.90/x
  3. Step 3: Cross multiply
    676,483.17x = 933,513.59 × 370,560.90
  4. Step 4: Simplify right side
    676,483.17x = 345,923,638,406.42
  5. Step 5: Solve for x
    x = 345,923,638,406.42/676,483.17
  6. Step 6: Final answer
    x = 511,355.87

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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.