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Finding the Fourth Proportional to 236,751,506.40, 355,127,259.60 and 218,611,653.60

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Solution

The fourth proportional to 236,751,506.40, 355,127,259.60 and 218,611,653.60 is: 327,917,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,751,506.40 : 355,127,259.60 = 218,611,653.60 : x
  2. Step 2: Convert to fraction form
    236,751,506.40/355,127,259.60 = 218,611,653.60/x
  3. Step 3: Cross multiply
    236,751,506.40x = 355,127,259.60 × 218,611,653.60
  4. Step 4: Simplify right side
    236,751,506.40x = 77,634,957,459,592,480
  5. Step 5: Solve for x
    x = 77,634,957,459,592,480/236,751,506.40
  6. Step 6: Final answer
    x = 327,917,480.40

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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.