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Finding the Fourth Proportional to 522,460.13, 783,699.91 and 148,492.85

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Solution

The fourth proportional to 522,460.13, 783,699.91 and 148,492.85 is: 222,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,460.13 : 783,699.91 = 148,492.85 : x
  2. Step 2: Convert to fraction form
    522,460.13/783,699.91 = 148,492.85/x
  3. Step 3: Cross multiply
    522,460.13x = 783,699.91 × 148,492.85
  4. Step 4: Simplify right side
    522,460.13x = 116,373,828,890.91
  5. Step 5: Solve for x
    x = 116,373,828,890.91/522,460.13
  6. Step 6: Final answer
    x = 222,742.03

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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.