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Finding the Fourth Proportional to 676,552.76, 933,643.22 and 370,640.27

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Solution

The fourth proportional to 676,552.76, 933,643.22 and 370,640.27 is: 511,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,552.76 : 933,643.22 = 370,640.27 : x
  2. Step 2: Convert to fraction form
    676,552.76/933,643.22 = 370,640.27/x
  3. Step 3: Cross multiply
    676,552.76x = 933,643.22 × 370,640.27
  4. Step 4: Simplify right side
    676,552.76x = 346,045,775,144.47
  5. Step 5: Solve for x
    x = 346,045,775,144.47/676,552.76
  6. Step 6: Final answer
    x = 511,483.80

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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.