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Finding the Fourth Proportional to 676,763.51, 933,933.51 and 404,842.86

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Solution

The fourth proportional to 676,763.51, 933,933.51 and 404,842.86 is: 558,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,763.51 : 933,933.51 = 404,842.86 : x
  2. Step 2: Convert to fraction form
    676,763.51/933,933.51 = 404,842.86/x
  3. Step 3: Cross multiply
    676,763.51x = 933,933.51 × 404,842.86
  4. Step 4: Simplify right side
    676,763.51x = 378,096,313,238.24
  5. Step 5: Solve for x
    x = 378,096,313,238.24/676,763.51
  6. Step 6: Final answer
    x = 558,683.07

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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.