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Finding the Fourth Proportional to 266,976,054.40, 374,841,430.40 and 266,976,054.40

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Solution

The fourth proportional to 266,976,054.40, 374,841,430.40 and 266,976,054.40 is: 374,841,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,976,054.40 : 374,841,430.40 = 266,976,054.40 : x
  2. Step 2: Convert to fraction form
    266,976,054.40/374,841,430.40 = 266,976,054.40/x
  3. Step 3: Cross multiply
    266,976,054.40x = 374,841,430.40 × 266,976,054.40
  4. Step 4: Simplify right side
    266,976,054.40x = 100,073,686,113,844,208
  5. Step 5: Solve for x
    x = 100,073,686,113,844,208/266,976,054.40
  6. Step 6: Final answer
    x = 374,841,430.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.