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Finding the Fourth Proportional to 708,150.60, 977,239.08 and 385,852.41

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Solution

The fourth proportional to 708,150.60, 977,239.08 and 385,852.41 is: 532,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,150.60 : 977,239.08 = 385,852.41 : x
  2. Step 2: Convert to fraction form
    708,150.60/977,239.08 = 385,852.41/x
  3. Step 3: Cross multiply
    708,150.60x = 977,239.08 × 385,852.41
  4. Step 4: Simplify right side
    708,150.60x = 377,070,054,164.18
  5. Step 5: Solve for x
    x = 377,070,054,164.18/708,150.60
  6. Step 6: Final answer
    x = 532,471.56

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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.