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Finding the Fourth Proportional to 559,460.64, 772,341.60 and 379,125.36

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Solution

The fourth proportional to 559,460.64, 772,341.60 and 379,125.36 is: 523,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,460.64 : 772,341.60 = 379,125.36 : x
  2. Step 2: Convert to fraction form
    559,460.64/772,341.60 = 379,125.36/x
  3. Step 3: Cross multiply
    559,460.64x = 772,341.60 × 379,125.36
  4. Step 4: Simplify right side
    559,460.64x = 292,814,287,142.98
  5. Step 5: Solve for x
    x = 292,814,287,142.98/559,460.64
  6. Step 6: Final answer
    x = 523,386.75

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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.