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Finding the Fourth Proportional to 649,549.94, 896,385.69 and 363,085.74

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Solution

The fourth proportional to 649,549.94, 896,385.69 and 363,085.74 is: 501,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,549.94 : 896,385.69 = 363,085.74 : x
  2. Step 2: Convert to fraction form
    649,549.94/896,385.69 = 363,085.74/x
  3. Step 3: Cross multiply
    649,549.94x = 896,385.69 × 363,085.74
  4. Step 4: Simplify right side
    649,549.94x = 325,464,861,579.06
  5. Step 5: Solve for x
    x = 325,464,861,579.06/649,549.94
  6. Step 6: Final answer
    x = 501,062.11

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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.