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Finding the Fourth Proportional to 242,904,125.80, 364,356,188.70 and 219,473,482.60

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Solution

The fourth proportional to 242,904,125.80, 364,356,188.70 and 219,473,482.60 is: 329,210,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,904,125.80 : 364,356,188.70 = 219,473,482.60 : x
  2. Step 2: Convert to fraction form
    242,904,125.80/364,356,188.70 = 219,473,482.60/x
  3. Step 3: Cross multiply
    242,904,125.80x = 364,356,188.70 × 219,473,482.60
  4. Step 4: Simplify right side
    242,904,125.80x = 79,966,521,640,851,760
  5. Step 5: Solve for x
    x = 79,966,521,640,851,760/242,904,125.80
  6. Step 6: Final answer
    x = 329,210,223.90

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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.