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Finding the Fourth Proportional to 425,706.37, 587,577.14 and 255,907.69

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Solution

The fourth proportional to 425,706.37, 587,577.14 and 255,907.69 is: 353,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,706.37 : 587,577.14 = 255,907.69 : x
  2. Step 2: Convert to fraction form
    425,706.37/587,577.14 = 255,907.69/x
  3. Step 3: Cross multiply
    425,706.37x = 587,577.14 × 255,907.69
  4. Step 4: Simplify right side
    425,706.37x = 150,365,506,805.38
  5. Step 5: Solve for x
    x = 150,365,506,805.38/425,706.37
  6. Step 6: Final answer
    x = 353,214.14

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1.5x scale

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.