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Finding the Fourth Proportional to 482,681.60, 723,676.80 and 202,054.40

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Solution

The fourth proportional to 482,681.60, 723,676.80 and 202,054.40 is: 302,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,681.60 : 723,676.80 = 202,054.40 : x
  2. Step 2: Convert to fraction form
    482,681.60/723,676.80 = 202,054.40/x
  3. Step 3: Cross multiply
    482,681.60x = 723,676.80 × 202,054.40
  4. Step 4: Simplify right side
    482,681.60x = 146,222,081,617.92
  5. Step 5: Solve for x
    x = 146,222,081,617.92/482,681.60
  6. Step 6: Final answer
    x = 302,936.93

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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.