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Finding the Fourth Proportional to 693,878.59, 957,817.47 and 452,220.76

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Solution

The fourth proportional to 693,878.59, 957,817.47 and 452,220.76 is: 624,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,878.59 : 957,817.47 = 452,220.76 : x
  2. Step 2: Convert to fraction form
    693,878.59/957,817.47 = 452,220.76/x
  3. Step 3: Cross multiply
    693,878.59x = 957,817.47 × 452,220.76
  4. Step 4: Simplify right side
    693,878.59x = 433,144,944,224.68
  5. Step 5: Solve for x
    x = 433,144,944,224.68/693,878.59
  6. Step 6: Final answer
    x = 624,237.37

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Double scale
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1.5x scale

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.