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Finding the Fourth Proportional to 341,655.12, 511,301.70 and 213,526.08

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Solution

The fourth proportional to 341,655.12, 511,301.70 and 213,526.08 is: 319,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,655.12 : 511,301.70 = 213,526.08 : x
  2. Step 2: Convert to fraction form
    341,655.12/511,301.70 = 213,526.08/x
  3. Step 3: Cross multiply
    341,655.12x = 511,301.70 × 213,526.08
  4. Step 4: Simplify right side
    341,655.12x = 109,176,247,698.34
  5. Step 5: Solve for x
    x = 109,176,247,698.34/341,655.12
  6. Step 6: Final answer
    x = 319,551.04

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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.