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Finding the Fourth Proportional to 298,926,482.40, 448,578,680.40 and 176,104,562.40

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Solution

The fourth proportional to 298,926,482.40, 448,578,680.40 and 176,104,562.40 is: 264,268,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,926,482.40 : 448,578,680.40 = 176,104,562.40 : x
  2. Step 2: Convert to fraction form
    298,926,482.40/448,578,680.40 = 176,104,562.40/x
  3. Step 3: Cross multiply
    298,926,482.40x = 448,578,680.40 × 176,104,562.40
  4. Step 4: Simplify right side
    298,926,482.40x = 78,996,752,213,811,456
  5. Step 5: Solve for x
    x = 78,996,752,213,811,456/298,926,482.40
  6. Step 6: Final answer
    x = 264,268,162.46

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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.