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Finding the Fourth Proportional to 624,430.74, 937,019.76 and 269,444.76

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Solution

The fourth proportional to 624,430.74, 937,019.76 and 269,444.76 is: 404,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,430.74 : 937,019.76 = 269,444.76 : x
  2. Step 2: Convert to fraction form
    624,430.74/937,019.76 = 269,444.76/x
  3. Step 3: Cross multiply
    624,430.74x = 937,019.76 × 269,444.76
  4. Step 4: Simplify right side
    624,430.74x = 252,475,064,348.46
  5. Step 5: Solve for x
    x = 252,475,064,348.46/624,430.74
  6. Step 6: Final answer
    x = 404,328.37

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1.5x scale

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.