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Finding the Fourth Proportional to 395,613.08, 545,946.62 and 234,547

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Solution

The fourth proportional to 395,613.08, 545,946.62 and 234,547 is: 323,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,613.08 : 545,946.62 = 234,547 : x
  2. Step 2: Convert to fraction form
    395,613.08/545,946.62 = 234,547/x
  3. Step 3: Cross multiply
    395,613.08x = 545,946.62 × 234,547
  4. Step 4: Simplify right side
    395,613.08x = 128,050,141,881.14
  5. Step 5: Solve for x
    x = 128,050,141,881.14/395,613.08
  6. Step 6: Final answer
    x = 323,675.20

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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.