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Finding the Fourth Proportional to 351,210.72, 526,446 and 151,484.16

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Solution

The fourth proportional to 351,210.72, 526,446 and 151,484.16 is: 227,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,210.72 : 526,446 = 151,484.16 : x
  2. Step 2: Convert to fraction form
    351,210.72/526,446 = 151,484.16/x
  3. Step 3: Cross multiply
    351,210.72x = 526,446 × 151,484.16
  4. Step 4: Simplify right side
    351,210.72x = 79,748,230,095.36
  5. Step 5: Solve for x
    x = 79,748,230,095.36/351,210.72
  6. Step 6: Final answer
    x = 227,066.62

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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.