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Finding the Fourth Proportional to 603,730.40, 906,178.80 and 367,534.40

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Solution

The fourth proportional to 603,730.40, 906,178.80 and 367,534.40 is: 551,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,730.40 : 906,178.80 = 367,534.40 : x
  2. Step 2: Convert to fraction form
    603,730.40/906,178.80 = 367,534.40/x
  3. Step 3: Cross multiply
    603,730.40x = 906,178.80 × 367,534.40
  4. Step 4: Simplify right side
    603,730.40x = 333,051,881,550.72
  5. Step 5: Solve for x
    x = 333,051,881,550.72/603,730.40
  6. Step 6: Final answer
    x = 551,656.64

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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.