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Finding the Fourth Proportional to 519,088.88, 716,359.80 and 301,281.24

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Solution

The fourth proportional to 519,088.88, 716,359.80 and 301,281.24 is: 415,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,088.88 : 716,359.80 = 301,281.24 : x
  2. Step 2: Convert to fraction form
    519,088.88/716,359.80 = 301,281.24/x
  3. Step 3: Cross multiply
    519,088.88x = 716,359.80 × 301,281.24
  4. Step 4: Simplify right side
    519,088.88x = 215,825,768,830.15
  5. Step 5: Solve for x
    x = 215,825,768,830.15/519,088.88
  6. Step 6: Final answer
    x = 415,778.06

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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.