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Finding the Fourth Proportional to 590,978,893.10, 886,468,339.65 and 346,090,880.30

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Solution

The fourth proportional to 590,978,893.10, 886,468,339.65 and 346,090,880.30 is: 519,136,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,978,893.10 : 886,468,339.65 = 346,090,880.30 : x
  2. Step 2: Convert to fraction form
    590,978,893.10/886,468,339.65 = 346,090,880.30/x
  3. Step 3: Cross multiply
    590,978,893.10x = 886,468,339.65 × 346,090,880.30
  4. Step 4: Simplify right side
    590,978,893.10x = 306,798,608,027,547,904
  5. Step 5: Solve for x
    x = 306,798,608,027,547,904/590,978,893.10
  6. Step 6: Final answer
    x = 519,136,320.45

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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.