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Finding the Fourth Proportional to 554,562.71, 765,110.42 and 452,411.58

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Solution

The fourth proportional to 554,562.71, 765,110.42 and 452,411.58 is: 624,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,562.71 : 765,110.42 = 452,411.58 : x
  2. Step 2: Convert to fraction form
    554,562.71/765,110.42 = 452,411.58/x
  3. Step 3: Cross multiply
    554,562.71x = 765,110.42 × 452,411.58
  4. Step 4: Simplify right side
    554,562.71x = 346,144,818,835.13
  5. Step 5: Solve for x
    x = 346,144,818,835.13/554,562.71
  6. Step 6: Final answer
    x = 624,176.15

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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.