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Finding the Fourth Proportional to 299,009,920.10, 448,514,880.15 and 299,009,920.10

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Solution

The fourth proportional to 299,009,920.10, 448,514,880.15 and 299,009,920.10 is: 448,514,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,009,920.10 : 448,514,880.15 = 299,009,920.10 : x
  2. Step 2: Convert to fraction form
    299,009,920.10/448,514,880.15 = 299,009,920.10/x
  3. Step 3: Cross multiply
    299,009,920.10x = 448,514,880.15 × 299,009,920.10
  4. Step 4: Simplify right side
    299,009,920.10x = 134,110,398,477,312,576
  5. Step 5: Solve for x
    x = 134,110,398,477,312,576/299,009,920.10
  6. Step 6: Final answer
    x = 448,514,880.15

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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.