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Finding the Fourth Proportional to 495,033.60, 742,550.40 and 356,102.40

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Solution

The fourth proportional to 495,033.60, 742,550.40 and 356,102.40 is: 534,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,033.60 : 742,550.40 = 356,102.40 : x
  2. Step 2: Convert to fraction form
    495,033.60/742,550.40 = 356,102.40/x
  3. Step 3: Cross multiply
    495,033.60x = 742,550.40 × 356,102.40
  4. Step 4: Simplify right side
    495,033.60x = 264,423,979,560.96
  5. Step 5: Solve for x
    x = 264,423,979,560.96/495,033.60
  6. Step 6: Final answer
    x = 534,153.60

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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.