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Finding the Fourth Proportional to 491,386.40, 737,079.60 and 333,922.40

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Solution

The fourth proportional to 491,386.40, 737,079.60 and 333,922.40 is: 500,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,386.40 : 737,079.60 = 333,922.40 : x
  2. Step 2: Convert to fraction form
    491,386.40/737,079.60 = 333,922.40/x
  3. Step 3: Cross multiply
    491,386.40x = 737,079.60 × 333,922.40
  4. Step 4: Simplify right side
    491,386.40x = 246,127,389,023.04
  5. Step 5: Solve for x
    x = 246,127,389,023.04/491,386.40
  6. Step 6: Final answer
    x = 500,883.60

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1.5x scale

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.