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Finding the Fourth Proportional to 710,485, 1,066,252.38 and 336,508

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Solution

The fourth proportional to 710,485, 1,066,252.38 and 336,508 is: 505,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,485 : 1,066,252.38 = 336,508 : x
  2. Step 2: Convert to fraction form
    710,485/1,066,252.38 = 336,508/x
  3. Step 3: Cross multiply
    710,485x = 1,066,252.38 × 336,508
  4. Step 4: Simplify right side
    710,485x = 358,802,455,889.04
  5. Step 5: Solve for x
    x = 358,802,455,889.04/710,485
  6. Step 6: Final answer
    x = 505,010.60

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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.