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Finding the Fourth Proportional to 528,777.36, 793,064.16 and 149,695.20

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Solution

The fourth proportional to 528,777.36, 793,064.16 and 149,695.20 is: 224,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,777.36 : 793,064.16 = 149,695.20 : x
  2. Step 2: Convert to fraction form
    528,777.36/793,064.16 = 149,695.20/x
  3. Step 3: Cross multiply
    528,777.36x = 793,064.16 × 149,695.20
  4. Step 4: Simplify right side
    528,777.36x = 118,717,898,044.03
  5. Step 5: Solve for x
    x = 118,717,898,044.03/528,777.36
  6. Step 6: Final answer
    x = 224,513.96

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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.