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Finding the Fourth Proportional to 401,355,004.20, 602,032,506.30 and 401,355,004.20

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Solution

The fourth proportional to 401,355,004.20, 602,032,506.30 and 401,355,004.20 is: 602,032,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,355,004.20 : 602,032,506.30 = 401,355,004.20 : x
  2. Step 2: Convert to fraction form
    401,355,004.20/602,032,506.30 = 401,355,004.20/x
  3. Step 3: Cross multiply
    401,355,004.20x = 602,032,506.30 × 401,355,004.20
  4. Step 4: Simplify right side
    401,355,004.20x = 241,628,759,094,572,992
  5. Step 5: Solve for x
    x = 241,628,759,094,572,992/401,355,004.20
  6. Step 6: Final answer
    x = 602,032,506.30

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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.