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Finding the Fourth Proportional to 578,501.17, 798,331.62 and 352,146.67

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Solution

The fourth proportional to 578,501.17, 798,331.62 and 352,146.67 is: 485,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,501.17 : 798,331.62 = 352,146.67 : x
  2. Step 2: Convert to fraction form
    578,501.17/798,331.62 = 352,146.67/x
  3. Step 3: Cross multiply
    578,501.17x = 798,331.62 × 352,146.67
  4. Step 4: Simplify right side
    578,501.17x = 281,129,821,538.71
  5. Step 5: Solve for x
    x = 281,129,821,538.71/578,501.17
  6. Step 6: Final answer
    x = 485,962.41

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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.