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Finding the Fourth Proportional to 1,662,923.58, 2,495,320.92 and 904,819.74

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Solution

The fourth proportional to 1,662,923.58, 2,495,320.92 and 904,819.74 is: 1,357,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,923.58 : 2,495,320.92 = 904,819.74 : x
  2. Step 2: Convert to fraction form
    1,662,923.58/2,495,320.92 = 904,819.74/x
  3. Step 3: Cross multiply
    1,662,923.58x = 2,495,320.92 × 904,819.74
  4. Step 4: Simplify right side
    1,662,923.58x = 2,257,815,626,050.96
  5. Step 5: Solve for x
    x = 2,257,815,626,050.96/1,662,923.58
  6. Step 6: Final answer
    x = 1,357,738.66

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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.