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Finding the Fourth Proportional to 334,009.80, 460,409.94 and 253,113.48

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Solution

The fourth proportional to 334,009.80, 460,409.94 and 253,113.48 is: 348,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,009.80 : 460,409.94 = 253,113.48 : x
  2. Step 2: Convert to fraction form
    334,009.80/460,409.94 = 253,113.48/x
  3. Step 3: Cross multiply
    334,009.80x = 460,409.94 × 253,113.48
  4. Step 4: Simplify right side
    334,009.80x = 116,535,962,139.99
  5. Step 5: Solve for x
    x = 116,535,962,139.99/334,009.80
  6. Step 6: Final answer
    x = 348,899.83

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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.