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Finding the Fourth Proportional to 622,953.10, 934,429.65 and 617,048.20

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Solution

The fourth proportional to 622,953.10, 934,429.65 and 617,048.20 is: 925,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,953.10 : 934,429.65 = 617,048.20 : x
  2. Step 2: Convert to fraction form
    622,953.10/934,429.65 = 617,048.20/x
  3. Step 3: Cross multiply
    622,953.10x = 934,429.65 × 617,048.20
  4. Step 4: Simplify right side
    622,953.10x = 576,588,133,559.13
  5. Step 5: Solve for x
    x = 576,588,133,559.13/622,953.10
  6. Step 6: Final answer
    x = 925,572.30

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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.