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Finding the Fourth Proportional to 609,576.88, 841,627.11 and 380,483.14

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Solution

The fourth proportional to 609,576.88, 841,627.11 and 380,483.14 is: 525,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,576.88 : 841,627.11 = 380,483.14 : x
  2. Step 2: Convert to fraction form
    609,576.88/841,627.11 = 380,483.14/x
  3. Step 3: Cross multiply
    609,576.88x = 841,627.11 × 380,483.14
  4. Step 4: Simplify right side
    609,576.88x = 320,224,925,521.93
  5. Step 5: Solve for x
    x = 320,224,925,521.93/609,576.88
  6. Step 6: Final answer
    x = 525,323.28

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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.