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Finding the Fourth Proportional to 947,364.70, 1,418,973.45 and 822,948.70

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Solution

The fourth proportional to 947,364.70, 1,418,973.45 and 822,948.70 is: 1,232,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,364.70 : 1,418,973.45 = 822,948.70 : x
  2. Step 2: Convert to fraction form
    947,364.70/1,418,973.45 = 822,948.70/x
  3. Step 3: Cross multiply
    947,364.70x = 1,418,973.45 × 822,948.70
  4. Step 4: Simplify right side
    947,364.70x = 1,167,742,356,012.01
  5. Step 5: Solve for x
    x = 1,167,742,356,012.01/947,364.70
  6. Step 6: Final answer
    x = 1,232,621.77

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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.