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Finding the Fourth Proportional to 968,199.10, 1,450,970.03 and 612,576.50

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Solution

The fourth proportional to 968,199.10, 1,450,970.03 and 612,576.50 is: 918,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,199.10 : 1,450,970.03 = 612,576.50 : x
  2. Step 2: Convert to fraction form
    968,199.10/1,450,970.03 = 612,576.50/x
  3. Step 3: Cross multiply
    968,199.10x = 1,450,970.03 × 612,576.50
  4. Step 4: Simplify right side
    968,199.10x = 888,830,132,264.56
  5. Step 5: Solve for x
    x = 888,830,132,264.56/968,199.10
  6. Step 6: Final answer
    x = 918,024.13

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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.