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Finding the Fourth Proportional to 671,253.48, 925,956.36 and 509,852.88

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Solution

The fourth proportional to 671,253.48, 925,956.36 and 509,852.88 is: 703,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,253.48 : 925,956.36 = 509,852.88 : x
  2. Step 2: Convert to fraction form
    671,253.48/925,956.36 = 509,852.88/x
  3. Step 3: Cross multiply
    671,253.48x = 925,956.36 × 509,852.88
  4. Step 4: Simplify right side
    671,253.48x = 472,101,516,900.32
  5. Step 5: Solve for x
    x = 472,101,516,900.32/671,253.48
  6. Step 6: Final answer
    x = 703,313.32

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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.