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Finding the Fourth Proportional to 493,036.40, 737,999.40 and 353,068.40

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Solution

The fourth proportional to 493,036.40, 737,999.40 and 353,068.40 is: 528,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,036.40 : 737,999.40 = 353,068.40 : x
  2. Step 2: Convert to fraction form
    493,036.40/737,999.40 = 353,068.40/x
  3. Step 3: Cross multiply
    493,036.40x = 737,999.40 × 353,068.40
  4. Step 4: Simplify right side
    493,036.40x = 260,564,267,358.96
  5. Step 5: Solve for x
    x = 260,564,267,358.96/493,036.40
  6. Step 6: Final answer
    x = 528,488.91

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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.