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Finding the Fourth Proportional to 531,814.13, 797,728.13 and 176,828.15

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Solution

The fourth proportional to 531,814.13, 797,728.13 and 176,828.15 is: 265,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,814.13 : 797,728.13 = 176,828.15 : x
  2. Step 2: Convert to fraction form
    531,814.13/797,728.13 = 176,828.15/x
  3. Step 3: Cross multiply
    531,814.13x = 797,728.13 × 176,828.15
  4. Step 4: Simplify right side
    531,814.13x = 141,060,784,558.08
  5. Step 5: Solve for x
    x = 141,060,784,558.08/531,814.13
  6. Step 6: Final answer
    x = 265,244.52

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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.