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Finding the Fourth Proportional to 495,898.60, 743,847.90 and 346,599.40

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Solution

The fourth proportional to 495,898.60, 743,847.90 and 346,599.40 is: 519,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,898.60 : 743,847.90 = 346,599.40 : x
  2. Step 2: Convert to fraction form
    495,898.60/743,847.90 = 346,599.40/x
  3. Step 3: Cross multiply
    495,898.60x = 743,847.90 × 346,599.40
  4. Step 4: Simplify right side
    495,898.60x = 257,817,235,831.26
  5. Step 5: Solve for x
    x = 257,817,235,831.26/495,898.60
  6. Step 6: Final answer
    x = 519,899.10

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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.