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Finding the Fourth Proportional to 484,666.60, 726,999.90 and 335,367.40

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Solution

The fourth proportional to 484,666.60, 726,999.90 and 335,367.40 is: 503,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,666.60 : 726,999.90 = 335,367.40 : x
  2. Step 2: Convert to fraction form
    484,666.60/726,999.90 = 335,367.40/x
  3. Step 3: Cross multiply
    484,666.60x = 726,999.90 × 335,367.40
  4. Step 4: Simplify right side
    484,666.60x = 243,812,066,263.26
  5. Step 5: Solve for x
    x = 243,812,066,263.26/484,666.60
  6. Step 6: Final answer
    x = 503,051.10

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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.