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Finding the Fourth Proportional to 926,302.60, 1,299,623 and 926,302.60

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Solution

The fourth proportional to 926,302.60, 1,299,623 and 926,302.60 is: 1,299,623

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,302.60 : 1,299,623 = 926,302.60 : x
  2. Step 2: Convert to fraction form
    926,302.60/1,299,623 = 926,302.60/x
  3. Step 3: Cross multiply
    926,302.60x = 1,299,623 × 926,302.60
  4. Step 4: Simplify right side
    926,302.60x = 1,203,844,163,919.80
  5. Step 5: Solve for x
    x = 1,203,844,163,919.80/926,302.60
  6. Step 6: Final answer
    x = 1,299,623

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.