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Finding the Fourth Proportional to 446,547, 616,244.58 and 245,343

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Solution

The fourth proportional to 446,547, 616,244.58 and 245,343 is: 338,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,547 : 616,244.58 = 245,343 : x
  2. Step 2: Convert to fraction form
    446,547/616,244.58 = 245,343/x
  3. Step 3: Cross multiply
    446,547x = 616,244.58 × 245,343
  4. Step 4: Simplify right side
    446,547x = 151,191,293,990.94
  5. Step 5: Solve for x
    x = 151,191,293,990.94/446,547
  6. Step 6: Final answer
    x = 338,578.68

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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.