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Finding the Fourth Proportional to 562,330.35, 775,462.95 and 515,652.95

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Solution

The fourth proportional to 562,330.35, 775,462.95 and 515,652.95 is: 711,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,330.35 : 775,462.95 = 515,652.95 : x
  2. Step 2: Convert to fraction form
    562,330.35/775,462.95 = 515,652.95/x
  3. Step 3: Cross multiply
    562,330.35x = 775,462.95 × 515,652.95
  4. Step 4: Simplify right side
    562,330.35x = 399,869,759,721.86
  5. Step 5: Solve for x
    x = 399,869,759,721.86/562,330.35
  6. Step 6: Final answer
    x = 711,094.04

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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.