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Finding the Fourth Proportional to 617,347,062.17, 926,202,501.08 and 248,692,308.47

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Solution

The fourth proportional to 617,347,062.17, 926,202,501.08 and 248,692,308.47 is: 373,111,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,347,062.17 : 926,202,501.08 = 248,692,308.47 : x
  2. Step 2: Convert to fraction form
    617,347,062.17/926,202,501.08 = 248,692,308.47/x
  3. Step 3: Cross multiply
    617,347,062.17x = 926,202,501.08 × 248,692,308.47
  4. Step 4: Simplify right side
    617,347,062.17x = 230,339,438,102,804,256
  5. Step 5: Solve for x
    x = 230,339,438,102,804,256/617,347,062.17
  6. Step 6: Final answer
    x = 373,111,742.52

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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.