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Finding the Fourth Proportional to 354,710.40, 532,065.60 and 333,715.20

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Solution

The fourth proportional to 354,710.40, 532,065.60 and 333,715.20 is: 500,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,710.40 : 532,065.60 = 333,715.20 : x
  2. Step 2: Convert to fraction form
    354,710.40/532,065.60 = 333,715.20/x
  3. Step 3: Cross multiply
    354,710.40x = 532,065.60 × 333,715.20
  4. Step 4: Simplify right side
    354,710.40x = 177,558,378,117.12
  5. Step 5: Solve for x
    x = 177,558,378,117.12/354,710.40
  6. Step 6: Final answer
    x = 500,572.80

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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.