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Finding the Fourth Proportional to 495,904.10, 743,856.15 and 346,604.90

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Solution

The fourth proportional to 495,904.10, 743,856.15 and 346,604.90 is: 519,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,904.10 : 743,856.15 = 346,604.90 : x
  2. Step 2: Convert to fraction form
    495,904.10/743,856.15 = 346,604.90/x
  3. Step 3: Cross multiply
    495,904.10x = 743,856.15 × 346,604.90
  4. Step 4: Simplify right side
    495,904.10x = 257,824,186,485.14
  5. Step 5: Solve for x
    x = 257,824,186,485.14/495,904.10
  6. Step 6: Final answer
    x = 519,907.35

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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.