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Finding the Fourth Proportional to 607,935.90, 838,925.42 and 335,989.74

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Solution

The fourth proportional to 607,935.90, 838,925.42 and 335,989.74 is: 463,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,935.90 : 838,925.42 = 335,989.74 : x
  2. Step 2: Convert to fraction form
    607,935.90/838,925.42 = 335,989.74/x
  3. Step 3: Cross multiply
    607,935.90x = 838,925.42 × 335,989.74
  4. Step 4: Simplify right side
    607,935.90x = 281,870,333,745.19
  5. Step 5: Solve for x
    x = 281,870,333,745.19/607,935.90
  6. Step 6: Final answer
    x = 463,651.40

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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.