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Finding the Fourth Proportional to 346,730.60, 520,095.90 and 246,679.40

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Solution

The fourth proportional to 346,730.60, 520,095.90 and 246,679.40 is: 370,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,730.60 : 520,095.90 = 246,679.40 : x
  2. Step 2: Convert to fraction form
    346,730.60/520,095.90 = 246,679.40/x
  3. Step 3: Cross multiply
    346,730.60x = 520,095.90 × 246,679.40
  4. Step 4: Simplify right side
    346,730.60x = 128,296,944,554.46
  5. Step 5: Solve for x
    x = 128,296,944,554.46/346,730.60
  6. Step 6: Final answer
    x = 370,019.10

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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.