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Finding the Fourth Proportional to 839,023, 1,158,289.50 and 652,340.52

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Solution

The fourth proportional to 839,023, 1,158,289.50 and 652,340.52 is: 900,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,023 : 1,158,289.50 = 652,340.52 : x
  2. Step 2: Convert to fraction form
    839,023/1,158,289.50 = 652,340.52/x
  3. Step 3: Cross multiply
    839,023x = 1,158,289.50 × 652,340.52
  4. Step 4: Simplify right side
    839,023x = 755,599,174,740.54
  5. Step 5: Solve for x
    x = 755,599,174,740.54/839,023
  6. Step 6: Final answer
    x = 900,570.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.