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Finding the Fourth Proportional to 452,574, 624,571.56 and 251,370

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Solution

The fourth proportional to 452,574, 624,571.56 and 251,370 is: 346,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,574 : 624,571.56 = 251,370 : x
  2. Step 2: Convert to fraction form
    452,574/624,571.56 = 251,370/x
  3. Step 3: Cross multiply
    452,574x = 624,571.56 × 251,370
  4. Step 4: Simplify right side
    452,574x = 156,998,553,037.20
  5. Step 5: Solve for x
    x = 156,998,553,037.20/452,574
  6. Step 6: Final answer
    x = 346,901.40

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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.