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Finding the Fourth Proportional to 508,235.58, 762,359.28 and 153,252.66

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Solution

The fourth proportional to 508,235.58, 762,359.28 and 153,252.66 is: 229,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,235.58 : 762,359.28 = 153,252.66 : x
  2. Step 2: Convert to fraction form
    508,235.58/762,359.28 = 153,252.66/x
  3. Step 3: Cross multiply
    508,235.58x = 762,359.28 × 153,252.66
  4. Step 4: Simplify right side
    508,235.58x = 116,833,587,535.69
  5. Step 5: Solve for x
    x = 116,833,587,535.69/508,235.58
  6. Step 6: Final answer
    x = 229,880.77

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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.