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Finding the Fourth Proportional to 535,551.40, 802,333.02 and 383,434.60

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Solution

The fourth proportional to 535,551.40, 802,333.02 and 383,434.60 is: 574,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,551.40 : 802,333.02 = 383,434.60 : x
  2. Step 2: Convert to fraction form
    535,551.40/802,333.02 = 383,434.60/x
  3. Step 3: Cross multiply
    535,551.40x = 802,333.02 × 383,434.60
  4. Step 4: Simplify right side
    535,551.40x = 307,642,240,590.49
  5. Step 5: Solve for x
    x = 307,642,240,590.49/535,551.40
  6. Step 6: Final answer
    x = 574,440.18

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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.