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Finding the Fourth Proportional to 477,937,810.80, 716,906,716.20 and 294,271,801.20

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Solution

The fourth proportional to 477,937,810.80, 716,906,716.20 and 294,271,801.20 is: 441,407,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,937,810.80 : 716,906,716.20 = 294,271,801.20 : x
  2. Step 2: Convert to fraction form
    477,937,810.80/716,906,716.20 = 294,271,801.20/x
  3. Step 3: Cross multiply
    477,937,810.80x = 716,906,716.20 × 294,271,801.20
  4. Step 4: Simplify right side
    477,937,810.80x = 210,965,430,668,551,232
  5. Step 5: Solve for x
    x = 210,965,430,668,551,232/477,937,810.80
  6. Step 6: Final answer
    x = 441,407,701.80

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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.