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Finding the Fourth Proportional to 550,334.84, 758,433.70 and 429,284.38

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Solution

The fourth proportional to 550,334.84, 758,433.70 and 429,284.38 is: 591,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,334.84 : 758,433.70 = 429,284.38 : x
  2. Step 2: Convert to fraction form
    550,334.84/758,433.70 = 429,284.38/x
  3. Step 3: Cross multiply
    550,334.84x = 758,433.70 × 429,284.38
  4. Step 4: Simplify right side
    550,334.84x = 325,583,740,675.61
  5. Step 5: Solve for x
    x = 325,583,740,675.61/550,334.84
  6. Step 6: Final answer
    x = 591,610.27

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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.