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Finding the Fourth Proportional to 452,751.40, 624,536.75 and 282,690.28

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Solution

The fourth proportional to 452,751.40, 624,536.75 and 282,690.28 is: 389,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,751.40 : 624,536.75 = 282,690.28 : x
  2. Step 2: Convert to fraction form
    452,751.40/624,536.75 = 282,690.28/x
  3. Step 3: Cross multiply
    452,751.40x = 624,536.75 × 282,690.28
  4. Step 4: Simplify right side
    452,751.40x = 176,550,464,191.66
  5. Step 5: Solve for x
    x = 176,550,464,191.66/452,751.40
  6. Step 6: Final answer
    x = 389,950.13

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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.