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Finding the Fourth Proportional to 346,696.40, 520,044.60 and 169,317.20

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Solution

The fourth proportional to 346,696.40, 520,044.60 and 169,317.20 is: 253,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,696.40 : 520,044.60 = 169,317.20 : x
  2. Step 2: Convert to fraction form
    346,696.40/520,044.60 = 169,317.20/x
  3. Step 3: Cross multiply
    346,696.40x = 520,044.60 × 169,317.20
  4. Step 4: Simplify right side
    346,696.40x = 88,052,495,547.12
  5. Step 5: Solve for x
    x = 88,052,495,547.12/346,696.40
  6. Step 6: Final answer
    x = 253,975.80

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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.