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Finding the Fourth Proportional to 560,921.84, 841,645.51 and 276,457.32

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Solution

The fourth proportional to 560,921.84, 841,645.51 and 276,457.32 is: 414,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,921.84 : 841,645.51 = 276,457.32 : x
  2. Step 2: Convert to fraction form
    560,921.84/841,645.51 = 276,457.32/x
  3. Step 3: Cross multiply
    560,921.84x = 841,645.51 × 276,457.32
  4. Step 4: Simplify right side
    560,921.84x = 232,679,061,393.49
  5. Step 5: Solve for x
    x = 232,679,061,393.49/560,921.84
  6. Step 6: Final answer
    x = 414,815.48

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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.