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Finding the Fourth Proportional to 622,692.30, 934,038.45 and 472,117.35

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Solution

The fourth proportional to 622,692.30, 934,038.45 and 472,117.35 is: 708,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,692.30 : 934,038.45 = 472,117.35 : x
  2. Step 2: Convert to fraction form
    622,692.30/934,038.45 = 472,117.35/x
  3. Step 3: Cross multiply
    622,692.30x = 934,038.45 × 472,117.35
  4. Step 4: Simplify right side
    622,692.30x = 440,975,757,812.11
  5. Step 5: Solve for x
    x = 440,975,757,812.11/622,692.30
  6. Step 6: Final answer
    x = 708,176.03

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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.