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Finding the Fourth Proportional to 417,570.56, 626,277.12 and 118,048.76

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Solution

The fourth proportional to 417,570.56, 626,277.12 and 118,048.76 is: 177,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,570.56 : 626,277.12 = 118,048.76 : x
  2. Step 2: Convert to fraction form
    417,570.56/626,277.12 = 118,048.76/x
  3. Step 3: Cross multiply
    417,570.56x = 626,277.12 × 118,048.76
  4. Step 4: Simplify right side
    417,570.56x = 73,931,237,432.37
  5. Step 5: Solve for x
    x = 73,931,237,432.37/417,570.56
  6. Step 6: Final answer
    x = 177,050.89

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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.