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Finding the Fourth Proportional to 354,802.40, 532,203.60 and 333,807.20

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Solution

The fourth proportional to 354,802.40, 532,203.60 and 333,807.20 is: 500,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,802.40 : 532,203.60 = 333,807.20 : x
  2. Step 2: Convert to fraction form
    354,802.40/532,203.60 = 333,807.20/x
  3. Step 3: Cross multiply
    354,802.40x = 532,203.60 × 333,807.20
  4. Step 4: Simplify right side
    354,802.40x = 177,653,393,545.92
  5. Step 5: Solve for x
    x = 177,653,393,545.92/354,802.40
  6. Step 6: Final answer
    x = 500,710.80

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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.