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Finding the Fourth Proportional to 926,857.70, 1,294,451.50 and 926,857.70

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Solution

The fourth proportional to 926,857.70, 1,294,451.50 and 926,857.70 is: 1,294,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,857.70 : 1,294,451.50 = 926,857.70 : x
  2. Step 2: Convert to fraction form
    926,857.70/1,294,451.50 = 926,857.70/x
  3. Step 3: Cross multiply
    926,857.70x = 1,294,451.50 × 926,857.70
  4. Step 4: Simplify right side
    926,857.70x = 1,199,772,340,051.55
  5. Step 5: Solve for x
    x = 1,199,772,340,051.55/926,857.70
  6. Step 6: Final answer
    x = 1,294,451.50

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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.