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Finding the Fourth Proportional to 495,903.60, 743,855.40 and 346,604.40

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Solution

The fourth proportional to 495,903.60, 743,855.40 and 346,604.40 is: 519,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,903.60 : 743,855.40 = 346,604.40 : x
  2. Step 2: Convert to fraction form
    495,903.60/743,855.40 = 346,604.40/x
  3. Step 3: Cross multiply
    495,903.60x = 743,855.40 × 346,604.40
  4. Step 4: Simplify right side
    495,903.60x = 257,823,554,603.76
  5. Step 5: Solve for x
    x = 257,823,554,603.76/495,903.60
  6. Step 6: Final answer
    x = 519,906.60

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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.