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Finding the Fourth Proportional to 926,891.60, 1,300,447.60 and 926,891.60

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Solution

The fourth proportional to 926,891.60, 1,300,447.60 and 926,891.60 is: 1,300,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,891.60 : 1,300,447.60 = 926,891.60 : x
  2. Step 2: Convert to fraction form
    926,891.60/1,300,447.60 = 926,891.60/x
  3. Step 3: Cross multiply
    926,891.60x = 1,300,447.60 × 926,891.60
  4. Step 4: Simplify right side
    926,891.60x = 1,205,373,956,680.16
  5. Step 5: Solve for x
    x = 1,205,373,956,680.16/926,891.60
  6. Step 6: Final answer
    x = 1,300,447.60

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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.