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Finding the Fourth Proportional to 880,008.93, 1,214,412.82 and 477,600.93

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Solution

The fourth proportional to 880,008.93, 1,214,412.82 and 477,600.93 is: 659,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,008.93 : 1,214,412.82 = 477,600.93 : x
  2. Step 2: Convert to fraction form
    880,008.93/1,214,412.82 = 477,600.93/x
  3. Step 3: Cross multiply
    880,008.93x = 1,214,412.82 × 477,600.93
  4. Step 4: Simplify right side
    880,008.93x = 580,004,691,041.92
  5. Step 5: Solve for x
    x = 580,004,691,041.92/880,008.93
  6. Step 6: Final answer
    x = 659,089.55

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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.