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Finding the Fourth Proportional to 532,776.16, 799,164.76 and 148,509.68

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Solution

The fourth proportional to 532,776.16, 799,164.76 and 148,509.68 is: 222,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,776.16 : 799,164.76 = 148,509.68 : x
  2. Step 2: Convert to fraction form
    532,776.16/799,164.76 = 148,509.68/x
  3. Step 3: Cross multiply
    532,776.16x = 799,164.76 × 148,509.68
  4. Step 4: Simplify right side
    532,776.16x = 118,683,702,774.88
  5. Step 5: Solve for x
    x = 118,683,702,774.88/532,776.16
  6. Step 6: Final answer
    x = 222,764.66

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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.