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Finding the Fourth Proportional to 679,058.82, 937,100.88 and 373,154.94

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Solution

The fourth proportional to 679,058.82, 937,100.88 and 373,154.94 is: 514,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,058.82 : 937,100.88 = 373,154.94 : x
  2. Step 2: Convert to fraction form
    679,058.82/937,100.88 = 373,154.94/x
  3. Step 3: Cross multiply
    679,058.82x = 937,100.88 × 373,154.94
  4. Step 4: Simplify right side
    679,058.82x = 349,683,822,650.35
  5. Step 5: Solve for x
    x = 349,683,822,650.35/679,058.82
  6. Step 6: Final answer
    x = 514,953.66

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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.