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Finding the Fourth Proportional to 341,389, 511,946.58 and 141,573.64

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Solution

The fourth proportional to 341,389, 511,946.58 and 141,573.64 is: 212,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,389 : 511,946.58 = 141,573.64 : x
  2. Step 2: Convert to fraction form
    341,389/511,946.58 = 141,573.64/x
  3. Step 3: Cross multiply
    341,389x = 511,946.58 × 141,573.64
  4. Step 4: Simplify right side
    341,389x = 72,478,140,816.15
  5. Step 5: Solve for x
    x = 72,478,140,816.15/341,389
  6. Step 6: Final answer
    x = 212,303.68

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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.