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Finding the Fourth Proportional to 426,953.88, 589,219.14 and 245,693.40

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Solution

The fourth proportional to 426,953.88, 589,219.14 and 245,693.40 is: 339,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,953.88 : 589,219.14 = 245,693.40 : x
  2. Step 2: Convert to fraction form
    426,953.88/589,219.14 = 245,693.40/x
  3. Step 3: Cross multiply
    426,953.88x = 589,219.14 × 245,693.40
  4. Step 4: Simplify right side
    426,953.88x = 144,767,253,851.68
  5. Step 5: Solve for x
    x = 144,767,253,851.68/426,953.88
  6. Step 6: Final answer
    x = 339,070.00

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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.