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Finding the Fourth Proportional to 607,679.66, 838,631.57 and 335,741.72

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Solution

The fourth proportional to 607,679.66, 838,631.57 and 335,741.72 is: 463,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,679.66 : 838,631.57 = 335,741.72 : x
  2. Step 2: Convert to fraction form
    607,679.66/838,631.57 = 335,741.72/x
  3. Step 3: Cross multiply
    607,679.66x = 838,631.57 × 335,741.72
  4. Step 4: Simplify right side
    607,679.66x = 281,563,605,758.10
  5. Step 5: Solve for x
    x = 281,563,605,758.10/607,679.66
  6. Step 6: Final answer
    x = 463,342.16

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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.