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Finding the Fourth Proportional to 247,116,803.60, 370,675,205.40 and 201,200,301.20

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Solution

The fourth proportional to 247,116,803.60, 370,675,205.40 and 201,200,301.20 is: 301,800,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,116,803.60 : 370,675,205.40 = 201,200,301.20 : x
  2. Step 2: Convert to fraction form
    247,116,803.60/370,675,205.40 = 201,200,301.20/x
  3. Step 3: Cross multiply
    247,116,803.60x = 370,675,205.40 × 201,200,301.20
  4. Step 4: Simplify right side
    247,116,803.60x = 74,579,962,973,851,856
  5. Step 5: Solve for x
    x = 74,579,962,973,851,856/247,116,803.60
  6. Step 6: Final answer
    x = 301,800,451.80

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1.5x scale

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.