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Finding the Fourth Proportional to 452,011.51, 623,770.05 and 248,064.31

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Solution

The fourth proportional to 452,011.51, 623,770.05 and 248,064.31 is: 342,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,011.51 : 623,770.05 = 248,064.31 : x
  2. Step 2: Convert to fraction form
    452,011.51/623,770.05 = 248,064.31/x
  3. Step 3: Cross multiply
    452,011.51x = 623,770.05 × 248,064.31
  4. Step 4: Simplify right side
    452,011.51x = 154,735,087,051.92
  5. Step 5: Solve for x
    x = 154,735,087,051.92/452,011.51
  6. Step 6: Final answer
    x = 342,325.55

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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.