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Finding the Fourth Proportional to 634,937,528.80, 952,406,293.20 and 168,598,051.30

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Solution

The fourth proportional to 634,937,528.80, 952,406,293.20 and 168,598,051.30 is: 252,897,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,937,528.80 : 952,406,293.20 = 168,598,051.30 : x
  2. Step 2: Convert to fraction form
    634,937,528.80/952,406,293.20 = 168,598,051.30/x
  3. Step 3: Cross multiply
    634,937,528.80x = 952,406,293.20 × 168,598,051.30
  4. Step 4: Simplify right side
    634,937,528.80x = 160,573,845,079,376,448
  5. Step 5: Solve for x
    x = 160,573,845,079,376,448/634,937,528.80
  6. Step 6: Final answer
    x = 252,897,076.95

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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.