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Finding the Fourth Proportional to 562,114.61, 775,500.27 and 358,129.01

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Solution

The fourth proportional to 562,114.61, 775,500.27 and 358,129.01 is: 494,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,114.61 : 775,500.27 = 358,129.01 : x
  2. Step 2: Convert to fraction form
    562,114.61/775,500.27 = 358,129.01/x
  3. Step 3: Cross multiply
    562,114.61x = 775,500.27 × 358,129.01
  4. Step 4: Simplify right side
    562,114.61x = 277,729,140,072.33
  5. Step 5: Solve for x
    x = 277,729,140,072.33/562,114.61
  6. Step 6: Final answer
    x = 494,079.21

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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.