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Finding the Fourth Proportional to 346,696.60, 520,044.90 and 276,712.60

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Solution

The fourth proportional to 346,696.60, 520,044.90 and 276,712.60 is: 415,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,696.60 : 520,044.90 = 276,712.60 : x
  2. Step 2: Convert to fraction form
    346,696.60/520,044.90 = 276,712.60/x
  3. Step 3: Cross multiply
    346,696.60x = 520,044.90 × 276,712.60
  4. Step 4: Simplify right side
    346,696.60x = 143,902,976,395.74
  5. Step 5: Solve for x
    x = 143,902,976,395.74/346,696.60
  6. Step 6: Final answer
    x = 415,068.90

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1.5x scale

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.