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Finding the Fourth Proportional to 679,248.40, 937,372.49 and 373,353.06

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Solution

The fourth proportional to 679,248.40, 937,372.49 and 373,353.06 is: 515,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,248.40 : 937,372.49 = 373,353.06 : x
  2. Step 2: Convert to fraction form
    679,248.40/937,372.49 = 373,353.06/x
  3. Step 3: Cross multiply
    679,248.40x = 937,372.49 × 373,353.06
  4. Step 4: Simplify right side
    679,248.40x = 349,970,887,501.32
  5. Step 5: Solve for x
    x = 349,970,887,501.32/679,248.40
  6. Step 6: Final answer
    x = 515,232.55

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1.5x scale

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.