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Finding the Fourth Proportional to 624,840.12, 934,495.38 and 555,167.16

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Solution

The fourth proportional to 624,840.12, 934,495.38 and 555,167.16 is: 830,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,840.12 : 934,495.38 = 555,167.16 : x
  2. Step 2: Convert to fraction form
    624,840.12/934,495.38 = 555,167.16/x
  3. Step 3: Cross multiply
    624,840.12x = 934,495.38 × 555,167.16
  4. Step 4: Simplify right side
    624,840.12x = 518,801,146,147.72
  5. Step 5: Solve for x
    x = 518,801,146,147.72/624,840.12
  6. Step 6: Final answer
    x = 830,294.23

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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.