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Finding the Fourth Proportional to 607,734.66, 911,798.82 and 292,150.56

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Solution

The fourth proportional to 607,734.66, 911,798.82 and 292,150.56 is: 438,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,734.66 : 911,798.82 = 292,150.56 : x
  2. Step 2: Convert to fraction form
    607,734.66/911,798.82 = 292,150.56/x
  3. Step 3: Cross multiply
    607,734.66x = 911,798.82 × 292,150.56
  4. Step 4: Simplify right side
    607,734.66x = 266,382,535,870.34
  5. Step 5: Solve for x
    x = 266,382,535,870.34/607,734.66
  6. Step 6: Final answer
    x = 438,320.46

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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.