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Finding the Fourth Proportional to 504,312,308.01, 695,921,012.91 and 292,602,739.41

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Solution

The fourth proportional to 504,312,308.01, 695,921,012.91 and 292,602,739.41 is: 403,774,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,312,308.01 : 695,921,012.91 = 292,602,739.41 : x
  2. Step 2: Convert to fraction form
    504,312,308.01/695,921,012.91 = 292,602,739.41/x
  3. Step 3: Cross multiply
    504,312,308.01x = 695,921,012.91 × 292,602,739.41
  4. Step 4: Simplify right side
    504,312,308.01x = 203,628,394,790,448,000
  5. Step 5: Solve for x
    x = 203,628,394,790,448,000/504,312,308.01
  6. Step 6: Final answer
    x = 403,774,390.50

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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.