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Finding the Fourth Proportional to 262,005.80, 392,571.30 and 224,389.40

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Solution

The fourth proportional to 262,005.80, 392,571.30 and 224,389.40 is: 336,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,005.80 : 392,571.30 = 224,389.40 : x
  2. Step 2: Convert to fraction form
    262,005.80/392,571.30 = 224,389.40/x
  3. Step 3: Cross multiply
    262,005.80x = 392,571.30 × 224,389.40
  4. Step 4: Simplify right side
    262,005.80x = 88,088,838,464.22
  5. Step 5: Solve for x
    x = 88,088,838,464.22/262,005.80
  6. Step 6: Final answer
    x = 336,209.50

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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.