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Finding the Fourth Proportional to 534,548.05, 737,670.43 and 289,526.71

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Solution

The fourth proportional to 534,548.05, 737,670.43 and 289,526.71 is: 399,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,548.05 : 737,670.43 = 289,526.71 : x
  2. Step 2: Convert to fraction form
    534,548.05/737,670.43 = 289,526.71/x
  3. Step 3: Cross multiply
    534,548.05x = 737,670.43 × 289,526.71
  4. Step 4: Simplify right side
    534,548.05x = 213,575,287,526.20
  5. Step 5: Solve for x
    x = 213,575,287,526.20/534,548.05
  6. Step 6: Final answer
    x = 399,543.67

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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.