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Finding the Fourth Proportional to 545,176.34, 817,764.32 and 145,806.74

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Solution

The fourth proportional to 545,176.34, 817,764.32 and 145,806.74 is: 218,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,176.34 : 817,764.32 = 145,806.74 : x
  2. Step 2: Convert to fraction form
    545,176.34/817,764.32 = 145,806.74/x
  3. Step 3: Cross multiply
    545,176.34x = 817,764.32 × 145,806.74
  4. Step 4: Simplify right side
    545,176.34x = 119,235,549,587.52
  5. Step 5: Solve for x
    x = 119,235,549,587.52/545,176.34
  6. Step 6: Final answer
    x = 218,710.06

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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.