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Finding the Fourth Proportional to 411,066.06, 567,362.68 and 249,887

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Solution

The fourth proportional to 411,066.06, 567,362.68 and 249,887 is: 344,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,066.06 : 567,362.68 = 249,887 : x
  2. Step 2: Convert to fraction form
    411,066.06/567,362.68 = 249,887/x
  3. Step 3: Cross multiply
    411,066.06x = 567,362.68 × 249,887
  4. Step 4: Simplify right side
    411,066.06x = 141,776,558,017.16
  5. Step 5: Solve for x
    x = 141,776,558,017.16/411,066.06
  6. Step 6: Final answer
    x = 344,899.69

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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.