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Finding the Fourth Proportional to 971,570.80, 1,457,356.20 and 952,908.40

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Solution

The fourth proportional to 971,570.80, 1,457,356.20 and 952,908.40 is: 1,429,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,570.80 : 1,457,356.20 = 952,908.40 : x
  2. Step 2: Convert to fraction form
    971,570.80/1,457,356.20 = 952,908.40/x
  3. Step 3: Cross multiply
    971,570.80x = 1,457,356.20 × 952,908.40
  4. Step 4: Simplify right side
    971,570.80x = 1,388,726,964,772.08
  5. Step 5: Solve for x
    x = 1,388,726,964,772.08/971,570.80
  6. Step 6: Final answer
    x = 1,429,362.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.