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Finding the Fourth Proportional to 465,663.60, 697,458.60 and 403,455.60

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Solution

The fourth proportional to 465,663.60, 697,458.60 and 403,455.60 is: 604,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,663.60 : 697,458.60 = 403,455.60 : x
  2. Step 2: Convert to fraction form
    465,663.60/697,458.60 = 403,455.60/x
  3. Step 3: Cross multiply
    465,663.60x = 697,458.60 × 403,455.60
  4. Step 4: Simplify right side
    465,663.60x = 281,393,577,938.16
  5. Step 5: Solve for x
    x = 281,393,577,938.16/465,663.60
  6. Step 6: Final answer
    x = 604,285.11

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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.