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Finding the Fourth Proportional to 624,839.12, 934,493.88 and 555,166.16

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Solution

The fourth proportional to 624,839.12, 934,493.88 and 555,166.16 is: 830,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,839.12 : 934,493.88 = 555,166.16 : x
  2. Step 2: Convert to fraction form
    624,839.12/934,493.88 = 555,166.16/x
  3. Step 3: Cross multiply
    624,839.12x = 934,493.88 × 555,166.16
  4. Step 4: Simplify right side
    624,839.12x = 518,799,378,903.10
  5. Step 5: Solve for x
    x = 518,799,378,903.10/624,839.12
  6. Step 6: Final answer
    x = 830,292.73

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1.5x scale

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.