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Finding the Fourth Proportional to 216,349.44, 300,089.76 and 210,595.20

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Solution

The fourth proportional to 216,349.44, 300,089.76 and 210,595.20 is: 292,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,349.44 : 300,089.76 = 210,595.20 : x
  2. Step 2: Convert to fraction form
    216,349.44/300,089.76 = 210,595.20/x
  3. Step 3: Cross multiply
    216,349.44x = 300,089.76 × 210,595.20
  4. Step 4: Simplify right side
    216,349.44x = 63,197,463,025.15
  5. Step 5: Solve for x
    x = 63,197,463,025.15/216,349.44
  6. Step 6: Final answer
    x = 292,108.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.