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Finding the Fourth Proportional to 491,271.40, 736,907.10 and 241,901.80

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Solution

The fourth proportional to 491,271.40, 736,907.10 and 241,901.80 is: 362,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,271.40 : 736,907.10 = 241,901.80 : x
  2. Step 2: Convert to fraction form
    491,271.40/736,907.10 = 241,901.80/x
  3. Step 3: Cross multiply
    491,271.40x = 736,907.10 × 241,901.80
  4. Step 4: Simplify right side
    491,271.40x = 178,259,153,922.78
  5. Step 5: Solve for x
    x = 178,259,153,922.78/491,271.40
  6. Step 6: Final answer
    x = 362,852.70

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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.