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Finding the Fourth Proportional to 335,490.66, 463,148.55 and 258,837.66

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Solution

The fourth proportional to 335,490.66, 463,148.55 and 258,837.66 is: 357,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,490.66 : 463,148.55 = 258,837.66 : x
  2. Step 2: Convert to fraction form
    335,490.66/463,148.55 = 258,837.66/x
  3. Step 3: Cross multiply
    335,490.66x = 463,148.55 × 258,837.66
  4. Step 4: Simplify right side
    335,490.66x = 119,880,286,914.39
  5. Step 5: Solve for x
    x = 119,880,286,914.39/335,490.66
  6. Step 6: Final answer
    x = 357,328.24

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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.