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Finding the Fourth Proportional to 625,263.84, 941,790.78 and 581,465.52

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Solution

The fourth proportional to 625,263.84, 941,790.78 and 581,465.52 is: 875,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,263.84 : 941,790.78 = 581,465.52 : x
  2. Step 2: Convert to fraction form
    625,263.84/941,790.78 = 581,465.52/x
  3. Step 3: Cross multiply
    625,263.84x = 941,790.78 × 581,465.52
  4. Step 4: Simplify right side
    625,263.84x = 547,618,865,623.91
  5. Step 5: Solve for x
    x = 547,618,865,623.91/625,263.84
  6. Step 6: Final answer
    x = 875,820.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.