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Finding the Fourth Proportional to 465,399.60, 694,946.64 and 369,554.16

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Solution

The fourth proportional to 465,399.60, 694,946.64 and 369,554.16 is: 551,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,399.60 : 694,946.64 = 369,554.16 : x
  2. Step 2: Convert to fraction form
    465,399.60/694,946.64 = 369,554.16/x
  3. Step 3: Cross multiply
    465,399.60x = 694,946.64 × 369,554.16
  4. Step 4: Simplify right side
    465,399.60x = 256,820,421,790.02
  5. Step 5: Solve for x
    x = 256,820,421,790.02/465,399.60
  6. Step 6: Final answer
    x = 551,827.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.