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Finding the Fourth Proportional to 1,452,547, 2,004,514.90 and 816,643

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Solution

The fourth proportional to 1,452,547, 2,004,514.90 and 816,643 is: 1,126,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,547 : 2,004,514.90 = 816,643 : x
  2. Step 2: Convert to fraction form
    1,452,547/2,004,514.90 = 816,643/x
  3. Step 3: Cross multiply
    1,452,547x = 2,004,514.90 × 816,643
  4. Step 4: Simplify right side
    1,452,547x = 1,636,973,061,480.70
  5. Step 5: Solve for x
    x = 1,636,973,061,480.70/1,452,547
  6. Step 6: Final answer
    x = 1,126,967.36

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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.