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Finding the Fourth Proportional to 567,886,430.56, 783,683,798.16 and 307,126,046.56

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Solution

The fourth proportional to 567,886,430.56, 783,683,798.16 and 307,126,046.56 is: 423,834,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,886,430.56 : 783,683,798.16 = 307,126,046.56 : x
  2. Step 2: Convert to fraction form
    567,886,430.56/783,683,798.16 = 307,126,046.56/x
  3. Step 3: Cross multiply
    567,886,430.56x = 783,683,798.16 × 307,126,046.56
  4. Step 4: Simplify right side
    567,886,430.56x = 240,689,706,682,005,792
  5. Step 5: Solve for x
    x = 240,689,706,682,005,792/567,886,430.56
  6. Step 6: Final answer
    x = 423,834,227.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.