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Finding the Fourth Proportional to 474,547.01, 654,874.88 and 259,687.08

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Solution

The fourth proportional to 474,547.01, 654,874.88 and 259,687.08 is: 358,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,547.01 : 654,874.88 = 259,687.08 : x
  2. Step 2: Convert to fraction form
    474,547.01/654,874.88 = 259,687.08/x
  3. Step 3: Cross multiply
    474,547.01x = 654,874.88 × 259,687.08
  4. Step 4: Simplify right side
    474,547.01x = 170,062,544,054.12
  5. Step 5: Solve for x
    x = 170,062,544,054.12/474,547.01
  6. Step 6: Final answer
    x = 358,368.17

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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.