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Finding the Fourth Proportional to 335,688,374.70, 503,600,662.80 and 105,603,946.20

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Solution

The fourth proportional to 335,688,374.70, 503,600,662.80 and 105,603,946.20 is: 158,427,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,688,374.70 : 503,600,662.80 = 105,603,946.20 : x
  2. Step 2: Convert to fraction form
    335,688,374.70/503,600,662.80 = 105,603,946.20/x
  3. Step 3: Cross multiply
    335,688,374.70x = 503,600,662.80 × 105,603,946.20
  4. Step 4: Simplify right side
    335,688,374.70x = 53,182,217,300,615,544
  5. Step 5: Solve for x
    x = 53,182,217,300,615,544/335,688,374.70
  6. Step 6: Final answer
    x = 158,427,343.06

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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.