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Finding the Fourth Proportional to 477,577.35, 716,365.89 and 140,618.03

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Solution

The fourth proportional to 477,577.35, 716,365.89 and 140,618.03 is: 210,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,577.35 : 716,365.89 = 140,618.03 : x
  2. Step 2: Convert to fraction form
    477,577.35/716,365.89 = 140,618.03/x
  3. Step 3: Cross multiply
    477,577.35x = 716,365.89 × 140,618.03
  4. Step 4: Simplify right side
    477,577.35x = 100,733,956,629.17
  5. Step 5: Solve for x
    x = 100,733,956,629.17/477,577.35
  6. Step 6: Final answer
    x = 210,927.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.