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Finding the Fourth Proportional to 535,230.40, 802,730.40 and 235,710.40

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Solution

The fourth proportional to 535,230.40, 802,730.40 and 235,710.40 is: 353,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,230.40 : 802,730.40 = 235,710.40 : x
  2. Step 2: Convert to fraction form
    535,230.40/802,730.40 = 235,710.40/x
  3. Step 3: Cross multiply
    535,230.40x = 802,730.40 × 235,710.40
  4. Step 4: Simplify right side
    535,230.40x = 189,211,903,676.16
  5. Step 5: Solve for x
    x = 189,211,903,676.16/535,230.40
  6. Step 6: Final answer
    x = 353,514.87

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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.