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Finding the Fourth Proportional to 606,692.90, 910,730.55 and 357,515.30

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Solution

The fourth proportional to 606,692.90, 910,730.55 and 357,515.30 is: 536,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,692.90 : 910,730.55 = 357,515.30 : x
  2. Step 2: Convert to fraction form
    606,692.90/910,730.55 = 357,515.30/x
  3. Step 3: Cross multiply
    606,692.90x = 910,730.55 × 357,515.30
  4. Step 4: Simplify right side
    606,692.90x = 325,600,105,802.42
  5. Step 5: Solve for x
    x = 325,600,105,802.42/606,692.90
  6. Step 6: Final answer
    x = 536,680.26

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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.