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Finding the Fourth Proportional to 430,473.68, 594,192.88 and 385,071.56

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Solution

The fourth proportional to 430,473.68, 594,192.88 and 385,071.56 is: 531,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,473.68 : 594,192.88 = 385,071.56 : x
  2. Step 2: Convert to fraction form
    430,473.68/594,192.88 = 385,071.56/x
  3. Step 3: Cross multiply
    430,473.68x = 594,192.88 × 385,071.56
  4. Step 4: Simplify right side
    430,473.68x = 228,806,779,242.49
  5. Step 5: Solve for x
    x = 228,806,779,242.49/430,473.68
  6. Step 6: Final answer
    x = 531,523.27

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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.