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Finding the Fourth Proportional to 331,776,245.60, 497,664,368.40 and 89,430,466.40

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Solution

The fourth proportional to 331,776,245.60, 497,664,368.40 and 89,430,466.40 is: 134,145,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,245.60 : 497,664,368.40 = 89,430,466.40 : x
  2. Step 2: Convert to fraction form
    331,776,245.60/497,664,368.40 = 89,430,466.40/x
  3. Step 3: Cross multiply
    331,776,245.60x = 497,664,368.40 × 89,430,466.40
  4. Step 4: Simplify right side
    331,776,245.60x = 44,506,356,576,673,424
  5. Step 5: Solve for x
    x = 44,506,356,576,673,424/331,776,245.60
  6. Step 6: Final answer
    x = 134,145,699.60

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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.