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Finding the Fourth Proportional to 348,345.64, 519,626.68 and 336,684.12

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Solution

The fourth proportional to 348,345.64, 519,626.68 and 336,684.12 is: 502,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,345.64 : 519,626.68 = 336,684.12 : x
  2. Step 2: Convert to fraction form
    348,345.64/519,626.68 = 336,684.12/x
  3. Step 3: Cross multiply
    348,345.64x = 519,626.68 × 336,684.12
  4. Step 4: Simplify right side
    348,345.64x = 174,950,051,484.32
  5. Step 5: Solve for x
    x = 174,950,051,484.32/348,345.64
  6. Step 6: Final answer
    x = 502,231.21

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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.