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Finding the Fourth Proportional to 612,208.92, 844,807.32 and 340,259.16

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Solution

The fourth proportional to 612,208.92, 844,807.32 and 340,259.16 is: 469,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,208.92 : 844,807.32 = 340,259.16 : x
  2. Step 2: Convert to fraction form
    612,208.92/844,807.32 = 340,259.16/x
  3. Step 3: Cross multiply
    612,208.92x = 844,807.32 × 340,259.16
  4. Step 4: Simplify right side
    612,208.92x = 287,453,429,065.05
  5. Step 5: Solve for x
    x = 287,453,429,065.05/612,208.92
  6. Step 6: Final answer
    x = 469,534.86

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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.