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Finding the Fourth Proportional to 298,943,369.60, 448,415,054.40 and 298,943,369.60

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Solution

The fourth proportional to 298,943,369.60, 448,415,054.40 and 298,943,369.60 is: 448,415,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,943,369.60 : 448,415,054.40 = 298,943,369.60 : x
  2. Step 2: Convert to fraction form
    298,943,369.60/448,415,054.40 = 298,943,369.60/x
  3. Step 3: Cross multiply
    298,943,369.60x = 448,415,054.40 × 298,943,369.60
  4. Step 4: Simplify right side
    298,943,369.60x = 134,050,707,341,703,312
  5. Step 5: Solve for x
    x = 134,050,707,341,703,312/298,943,369.60
  6. Step 6: Final answer
    x = 448,415,054.40

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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.