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Finding the Fourth Proportional to 342,502,263.84, 472,654,361.52 and 185,869,336.80

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Solution

The fourth proportional to 342,502,263.84, 472,654,361.52 and 185,869,336.80 is: 256,500,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,502,263.84 : 472,654,361.52 = 185,869,336.80 : x
  2. Step 2: Convert to fraction form
    342,502,263.84/472,654,361.52 = 185,869,336.80/x
  3. Step 3: Cross multiply
    342,502,263.84x = 472,654,361.52 × 185,869,336.80
  4. Step 4: Simplify right side
    342,502,263.84x = 87,851,952,711,349,840
  5. Step 5: Solve for x
    x = 87,851,952,711,349,840/342,502,263.84
  6. Step 6: Final answer
    x = 256,500,356.31

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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.