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Finding the Fourth Proportional to 452,374.98, 677,528.66 and 215,883.74

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Solution

The fourth proportional to 452,374.98, 677,528.66 and 215,883.74 is: 323,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,374.98 : 677,528.66 = 215,883.74 : x
  2. Step 2: Convert to fraction form
    452,374.98/677,528.66 = 215,883.74/x
  3. Step 3: Cross multiply
    452,374.98x = 677,528.66 × 215,883.74
  4. Step 4: Simplify right side
    452,374.98x = 146,267,417,690.35
  5. Step 5: Solve for x
    x = 146,267,417,690.35/452,374.98
  6. Step 6: Final answer
    x = 323,332.24

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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.