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Finding the Fourth Proportional to 506,863.95, 759,010.14 and 304,335

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Solution

The fourth proportional to 506,863.95, 759,010.14 and 304,335 is: 455,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,863.95 : 759,010.14 = 304,335 : x
  2. Step 2: Convert to fraction form
    506,863.95/759,010.14 = 304,335/x
  3. Step 3: Cross multiply
    506,863.95x = 759,010.14 × 304,335
  4. Step 4: Simplify right side
    506,863.95x = 230,993,350,956.90
  5. Step 5: Solve for x
    x = 230,993,350,956.90/506,863.95
  6. Step 6: Final answer
    x = 455,730.48

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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.