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Finding the Fourth Proportional to 407,646.65, 562,604.28 and 246,502.85

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Solution

The fourth proportional to 407,646.65, 562,604.28 and 246,502.85 is: 340,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,646.65 : 562,604.28 = 246,502.85 : x
  2. Step 2: Convert to fraction form
    407,646.65/562,604.28 = 246,502.85/x
  3. Step 3: Cross multiply
    407,646.65x = 562,604.28 × 246,502.85
  4. Step 4: Simplify right side
    407,646.65x = 138,683,558,442.20
  5. Step 5: Solve for x
    x = 138,683,558,442.20/407,646.65
  6. Step 6: Final answer
    x = 340,205.32

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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.