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Finding the Fourth Proportional to 341,757,681.79, 471,627,864.48 and 185,124,786.90

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Solution

The fourth proportional to 341,757,681.79, 471,627,864.48 and 185,124,786.90 is: 255,473,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,757,681.79 : 471,627,864.48 = 185,124,786.90 : x
  2. Step 2: Convert to fraction form
    341,757,681.79/471,627,864.48 = 185,124,786.90/x
  3. Step 3: Cross multiply
    341,757,681.79x = 471,627,864.48 × 185,124,786.90
  4. Step 4: Simplify right side
    341,757,681.79x = 87,310,007,905,847,296
  5. Step 5: Solve for x
    x = 87,310,007,905,847,296/341,757,681.79
  6. Step 6: Final answer
    x = 255,473,432.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.