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Finding the Fourth Proportional to 340,948.88, 470,336.52 and 260,236.28

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Solution

The fourth proportional to 340,948.88, 470,336.52 and 260,236.28 is: 358,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,948.88 : 470,336.52 = 260,236.28 : x
  2. Step 2: Convert to fraction form
    340,948.88/470,336.52 = 260,236.28/x
  3. Step 3: Cross multiply
    340,948.88x = 470,336.52 × 260,236.28
  4. Step 4: Simplify right side
    340,948.88x = 122,398,626,312.95
  5. Step 5: Solve for x
    x = 122,398,626,312.95/340,948.88
  6. Step 6: Final answer
    x = 358,994.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.