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Finding the Fourth Proportional to 486,025.92, 729,038.88 and 153,576

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Solution

The fourth proportional to 486,025.92, 729,038.88 and 153,576 is: 230,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,025.92 : 729,038.88 = 153,576 : x
  2. Step 2: Convert to fraction form
    486,025.92/729,038.88 = 153,576/x
  3. Step 3: Cross multiply
    486,025.92x = 729,038.88 × 153,576
  4. Step 4: Simplify right side
    486,025.92x = 111,962,875,034.88
  5. Step 5: Solve for x
    x = 111,962,875,034.88/486,025.92
  6. Step 6: Final answer
    x = 230,364.00

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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.