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Finding the Fourth Proportional to 408,802.08, 564,015.60 and 247,605.60

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Solution

The fourth proportional to 408,802.08, 564,015.60 and 247,605.60 is: 341,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,802.08 : 564,015.60 = 247,605.60 : x
  2. Step 2: Convert to fraction form
    408,802.08/564,015.60 = 247,605.60/x
  3. Step 3: Cross multiply
    408,802.08x = 564,015.60 × 247,605.60
  4. Step 4: Simplify right side
    408,802.08x = 139,653,421,047.36
  5. Step 5: Solve for x
    x = 139,653,421,047.36/408,802.08
  6. Step 6: Final answer
    x = 341,616.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.