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Finding the Fourth Proportional to 399,602.94, 551,609.85 and 246,702.94

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Solution

The fourth proportional to 399,602.94, 551,609.85 and 246,702.94 is: 340,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,602.94 : 551,609.85 = 246,702.94 : x
  2. Step 2: Convert to fraction form
    399,602.94/551,609.85 = 246,702.94/x
  3. Step 3: Cross multiply
    399,602.94x = 551,609.85 × 246,702.94
  4. Step 4: Simplify right side
    399,602.94x = 136,083,771,727.96
  5. Step 5: Solve for x
    x = 136,083,771,727.96/399,602.94
  6. Step 6: Final answer
    x = 340,547.47

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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.