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Finding the Fourth Proportional to 661,425,014.52, 912,759,276.24 and 364,060,899

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Solution

The fourth proportional to 661,425,014.52, 912,759,276.24 and 364,060,899 is: 502,400,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,425,014.52 : 912,759,276.24 = 364,060,899 : x
  2. Step 2: Convert to fraction form
    661,425,014.52/912,759,276.24 = 364,060,899/x
  3. Step 3: Cross multiply
    661,425,014.52x = 912,759,276.24 × 364,060,899
  4. Step 4: Simplify right side
    661,425,014.52x = 332,299,962,678,523,712
  5. Step 5: Solve for x
    x = 332,299,962,678,523,712/661,425,014.52
  6. Step 6: Final answer
    x = 502,400,053.50

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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.