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Finding the Fourth Proportional to 373,743.32, 515,603.98 and 228,555.45

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Solution

The fourth proportional to 373,743.32, 515,603.98 and 228,555.45 is: 315,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,743.32 : 515,603.98 = 228,555.45 : x
  2. Step 2: Convert to fraction form
    373,743.32/515,603.98 = 228,555.45/x
  3. Step 3: Cross multiply
    373,743.32x = 515,603.98 × 228,555.45
  4. Step 4: Simplify right side
    373,743.32x = 117,844,099,670.69
  5. Step 5: Solve for x
    x = 117,844,099,670.69/373,743.32
  6. Step 6: Final answer
    x = 315,307.57

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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.