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Finding the Fourth Proportional to 497,307.16, 745,959.88 and 123,330.16

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Solution

The fourth proportional to 497,307.16, 745,959.88 and 123,330.16 is: 184,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,307.16 : 745,959.88 = 123,330.16 : x
  2. Step 2: Convert to fraction form
    497,307.16/745,959.88 = 123,330.16/x
  3. Step 3: Cross multiply
    497,307.16x = 745,959.88 × 123,330.16
  4. Step 4: Simplify right side
    497,307.16x = 91,999,351,353.98
  5. Step 5: Solve for x
    x = 91,999,351,353.98/497,307.16
  6. Step 6: Final answer
    x = 184,995.03

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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.