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Finding the Fourth Proportional to 465,653.60, 697,443.60 and 403,445.60

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Solution

The fourth proportional to 465,653.60, 697,443.60 and 403,445.60 is: 604,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,653.60 : 697,443.60 = 403,445.60 : x
  2. Step 2: Convert to fraction form
    465,653.60/697,443.60 = 403,445.60/x
  3. Step 3: Cross multiply
    465,653.60x = 697,443.60 × 403,445.60
  4. Step 4: Simplify right side
    465,653.60x = 281,380,551,668.16
  5. Step 5: Solve for x
    x = 281,380,551,668.16/465,653.60
  6. Step 6: Final answer
    x = 604,270.11

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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.