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Finding the Fourth Proportional to 261,222.62, 360,491.27 and 152,324.01

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Solution

The fourth proportional to 261,222.62, 360,491.27 and 152,324.01 is: 210,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,222.62 : 360,491.27 = 152,324.01 : x
  2. Step 2: Convert to fraction form
    261,222.62/360,491.27 = 152,324.01/x
  3. Step 3: Cross multiply
    261,222.62x = 360,491.27 × 152,324.01
  4. Step 4: Simplify right side
    261,222.62x = 54,911,475,054.77
  5. Step 5: Solve for x
    x = 54,911,475,054.77/261,222.62
  6. Step 6: Final answer
    x = 210,209.50

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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.