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Finding the Fourth Proportional to 672,673,460.83, 928,748,375.63 and 435,094,533.25

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Solution

The fourth proportional to 672,673,460.83, 928,748,375.63 and 435,094,533.25 is: 600,727,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,673,460.83 : 928,748,375.63 = 435,094,533.25 : x
  2. Step 2: Convert to fraction form
    672,673,460.83/928,748,375.63 = 435,094,533.25/x
  3. Step 3: Cross multiply
    672,673,460.83x = 928,748,375.63 × 435,094,533.25
  4. Step 4: Simplify right side
    672,673,460.83x = 404,093,340,998,551,744
  5. Step 5: Solve for x
    x = 404,093,340,998,551,744/672,673,460.83
  6. Step 6: Final answer
    x = 600,727,343.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.