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Finding the Fourth Proportional to 634,713.10, 875,674.19 and 417,039.01

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Solution

The fourth proportional to 634,713.10, 875,674.19 and 417,039.01 is: 575,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,713.10 : 875,674.19 = 417,039.01 : x
  2. Step 2: Convert to fraction form
    634,713.10/875,674.19 = 417,039.01/x
  3. Step 3: Cross multiply
    634,713.10x = 875,674.19 × 417,039.01
  4. Step 4: Simplify right side
    634,713.10x = 365,190,290,816.59
  5. Step 5: Solve for x
    x = 365,190,290,816.59/634,713.10
  6. Step 6: Final answer
    x = 575,362.78

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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.