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Finding the Fourth Proportional to 1,591,547, 2,387,386.38 and 469,616

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Solution

The fourth proportional to 1,591,547, 2,387,386.38 and 469,616 is: 704,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,547 : 2,387,386.38 = 469,616 : x
  2. Step 2: Convert to fraction form
    1,591,547/2,387,386.38 = 469,616/x
  3. Step 3: Cross multiply
    1,591,547x = 2,387,386.38 × 469,616
  4. Step 4: Simplify right side
    1,591,547x = 1,121,154,842,230.08
  5. Step 5: Solve for x
    x = 1,121,154,842,230.08/1,591,547
  6. Step 6: Final answer
    x = 704,443.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.