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Finding the Fourth Proportional to 571,803, 788,571.54 and 356,962.92

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Solution

The fourth proportional to 571,803, 788,571.54 and 356,962.92 is: 492,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,803 : 788,571.54 = 356,962.92 : x
  2. Step 2: Convert to fraction form
    571,803/788,571.54 = 356,962.92/x
  3. Step 3: Cross multiply
    571,803x = 788,571.54 × 356,962.92
  4. Step 4: Simplify right side
    571,803x = 281,490,799,547.30
  5. Step 5: Solve for x
    x = 281,490,799,547.30/571,803
  6. Step 6: Final answer
    x = 492,286.33

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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.