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Finding the Fourth Proportional to 370,675.64, 511,526.85 and 209,525.03

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Solution

The fourth proportional to 370,675.64, 511,526.85 and 209,525.03 is: 289,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,675.64 : 511,526.85 = 209,525.03 : x
  2. Step 2: Convert to fraction form
    370,675.64/511,526.85 = 209,525.03/x
  3. Step 3: Cross multiply
    370,675.64x = 511,526.85 × 209,525.03
  4. Step 4: Simplify right side
    370,675.64x = 107,177,677,166.93
  5. Step 5: Solve for x
    x = 107,177,677,166.93/370,675.64
  6. Step 6: Final answer
    x = 289,141.41

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1.5x scale

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.