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Finding the Fourth Proportional to 570,359.73, 855,244.35 and 304,048.74

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Solution

The fourth proportional to 570,359.73, 855,244.35 and 304,048.74 is: 455,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,359.73 : 855,244.35 = 304,048.74 : x
  2. Step 2: Convert to fraction form
    570,359.73/855,244.35 = 304,048.74/x
  3. Step 3: Cross multiply
    570,359.73x = 855,244.35 × 304,048.74
  4. Step 4: Simplify right side
    570,359.73x = 260,035,967,009.62
  5. Step 5: Solve for x
    x = 260,035,967,009.62/570,359.73
  6. Step 6: Final answer
    x = 455,915.72

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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.