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Finding the Fourth Proportional to 335,423.01, 501,218.16 and 255,019.17

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Solution

The fourth proportional to 335,423.01, 501,218.16 and 255,019.17 is: 381,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,423.01 : 501,218.16 = 255,019.17 : x
  2. Step 2: Convert to fraction form
    335,423.01/501,218.16 = 255,019.17/x
  3. Step 3: Cross multiply
    335,423.01x = 501,218.16 × 255,019.17
  4. Step 4: Simplify right side
    335,423.01x = 127,820,239,152.13
  5. Step 5: Solve for x
    x = 127,820,239,152.13/335,423.01
  6. Step 6: Final answer
    x = 381,071.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.