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Finding the Fourth Proportional to 593,615.40, 891,114.30 and 384,124.20

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Solution

The fourth proportional to 593,615.40, 891,114.30 and 384,124.20 is: 576,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,615.40 : 891,114.30 = 384,124.20 : x
  2. Step 2: Convert to fraction form
    593,615.40/891,114.30 = 384,124.20/x
  3. Step 3: Cross multiply
    593,615.40x = 891,114.30 × 384,124.20
  4. Step 4: Simplify right side
    593,615.40x = 342,298,567,596.06
  5. Step 5: Solve for x
    x = 342,298,567,596.06/593,615.40
  6. Step 6: Final answer
    x = 576,633.57

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1.5x scale

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.