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Finding the Fourth Proportional to 262,434.69, 393,417.59 and 102,473.41

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Solution

The fourth proportional to 262,434.69, 393,417.59 and 102,473.41 is: 153,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,434.69 : 393,417.59 = 102,473.41 : x
  2. Step 2: Convert to fraction form
    262,434.69/393,417.59 = 102,473.41/x
  3. Step 3: Cross multiply
    262,434.69x = 393,417.59 × 102,473.41
  4. Step 4: Simplify right side
    262,434.69x = 40,314,842,001.28
  5. Step 5: Solve for x
    x = 40,314,842,001.28/262,434.69
  6. Step 6: Final answer
    x = 153,618.57

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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.