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Finding the Fourth Proportional to 536,307.54, 740,024.19 and 306,828.38

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Solution

The fourth proportional to 536,307.54, 740,024.19 and 306,828.38 is: 423,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,307.54 : 740,024.19 = 306,828.38 : x
  2. Step 2: Convert to fraction form
    536,307.54/740,024.19 = 306,828.38/x
  3. Step 3: Cross multiply
    536,307.54x = 740,024.19 × 306,828.38
  4. Step 4: Simplify right side
    536,307.54x = 227,060,419,678.39
  5. Step 5: Solve for x
    x = 227,060,419,678.39/536,307.54
  6. Step 6: Final answer
    x = 423,377.27

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1.5x scale

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.