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Finding the Fourth Proportional to 336,484.64, 464,399.16 and 215,762.24

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Solution

The fourth proportional to 336,484.64, 464,399.16 and 215,762.24 is: 297,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,484.64 : 464,399.16 = 215,762.24 : x
  2. Step 2: Convert to fraction form
    336,484.64/464,399.16 = 215,762.24/x
  3. Step 3: Cross multiply
    336,484.64x = 464,399.16 × 215,762.24
  4. Step 4: Simplify right side
    336,484.64x = 100,199,803,015.72
  5. Step 5: Solve for x
    x = 100,199,803,015.72/336,484.64
  6. Step 6: Final answer
    x = 297,784.18

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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.