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Finding the Fourth Proportional to 374,516,679.60, 561,775,019.40 and 183,413,703.60

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Solution

The fourth proportional to 374,516,679.60, 561,775,019.40 and 183,413,703.60 is: 275,120,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,516,679.60 : 561,775,019.40 = 183,413,703.60 : x
  2. Step 2: Convert to fraction form
    374,516,679.60/561,775,019.40 = 183,413,703.60/x
  3. Step 3: Cross multiply
    374,516,679.60x = 561,775,019.40 × 183,413,703.60
  4. Step 4: Simplify right side
    374,516,679.60x = 103,037,236,898,115,840
  5. Step 5: Solve for x
    x = 103,037,236,898,115,840/374,516,679.60
  6. Step 6: Final answer
    x = 275,120,555.40

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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.