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Finding the Fourth Proportional to 585,846.17, 877,350.15 and 405,426.00

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Solution

The fourth proportional to 585,846.17, 877,350.15 and 405,426.00 is: 607,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,846.17 : 877,350.15 = 405,426.00 : x
  2. Step 2: Convert to fraction form
    585,846.17/877,350.15 = 405,426.00/x
  3. Step 3: Cross multiply
    585,846.17x = 877,350.15 × 405,426.00
  4. Step 4: Simplify right side
    585,846.17x = 355,700,556,513.58
  5. Step 5: Solve for x
    x = 355,700,556,513.58/585,846.17
  6. Step 6: Final answer
    x = 607,156.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.