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Finding the Fourth Proportional to 676,763.07, 933,933.03 and 404,842.41

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Solution

The fourth proportional to 676,763.07, 933,933.03 and 404,842.41 is: 558,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,763.07 : 933,933.03 = 404,842.41 : x
  2. Step 2: Convert to fraction form
    676,763.07/933,933.03 = 404,842.41/x
  3. Step 3: Cross multiply
    676,763.07x = 933,933.03 × 404,842.41
  4. Step 4: Simplify right side
    676,763.07x = 378,095,698,643.80
  5. Step 5: Solve for x
    x = 378,095,698,643.80/676,763.07
  6. Step 6: Final answer
    x = 558,682.52

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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.