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Finding the Fourth Proportional to 346,361.29, 476,143.74 and 297,784.26

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Solution

The fourth proportional to 346,361.29, 476,143.74 and 297,784.26 is: 409,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,361.29 : 476,143.74 = 297,784.26 : x
  2. Step 2: Convert to fraction form
    346,361.29/476,143.74 = 297,784.26/x
  3. Step 3: Cross multiply
    346,361.29x = 476,143.74 × 297,784.26
  4. Step 4: Simplify right side
    346,361.29x = 141,788,111,269.53
  5. Step 5: Solve for x
    x = 141,788,111,269.53/346,361.29
  6. Step 6: Final answer
    x = 409,364.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.