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Finding the Fourth Proportional to 465,646,701.60, 697,462,282.80 and 249,984,007.20

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Solution

The fourth proportional to 465,646,701.60, 697,462,282.80 and 249,984,007.20 is: 374,434,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,646,701.60 : 697,462,282.80 = 249,984,007.20 : x
  2. Step 2: Convert to fraction form
    465,646,701.60/697,462,282.80 = 249,984,007.20/x
  3. Step 3: Cross multiply
    465,646,701.60x = 697,462,282.80 × 249,984,007.20
  4. Step 4: Simplify right side
    465,646,701.60x = 174,354,416,325,203,616
  5. Step 5: Solve for x
    x = 174,354,416,325,203,616/465,646,701.60
  6. Step 6: Final answer
    x = 374,434,986.28

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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.