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Finding the Fourth Proportional to 624,549.60, 936,727.20 and 175,226.40

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Solution

The fourth proportional to 624,549.60, 936,727.20 and 175,226.40 is: 262,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,549.60 : 936,727.20 = 175,226.40 : x
  2. Step 2: Convert to fraction form
    624,549.60/936,727.20 = 175,226.40/x
  3. Step 3: Cross multiply
    624,549.60x = 936,727.20 × 175,226.40
  4. Step 4: Simplify right side
    624,549.60x = 164,139,335,038.08
  5. Step 5: Solve for x
    x = 164,139,335,038.08/624,549.60
  6. Step 6: Final answer
    x = 262,812.33

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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.