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Finding the Fourth Proportional to 501,710.15, 752,775.93 and 312,328.91

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Solution

The fourth proportional to 501,710.15, 752,775.93 and 312,328.91 is: 468,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,710.15 : 752,775.93 = 312,328.91 : x
  2. Step 2: Convert to fraction form
    501,710.15/752,775.93 = 312,328.91/x
  3. Step 3: Cross multiply
    501,710.15x = 752,775.93 × 312,328.91
  4. Step 4: Simplify right side
    501,710.15x = 235,113,687,573.08
  5. Step 5: Solve for x
    x = 235,113,687,573.08/501,710.15
  6. Step 6: Final answer
    x = 468,624.54

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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.