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Finding the Fourth Proportional to 652,215.30, 978,274.35 and 273,038.10

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Solution

The fourth proportional to 652,215.30, 978,274.35 and 273,038.10 is: 409,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,215.30 : 978,274.35 = 273,038.10 : x
  2. Step 2: Convert to fraction form
    652,215.30/978,274.35 = 273,038.10/x
  3. Step 3: Cross multiply
    652,215.30x = 978,274.35 × 273,038.10
  4. Step 4: Simplify right side
    652,215.30x = 267,106,169,802.74
  5. Step 5: Solve for x
    x = 267,106,169,802.74/652,215.30
  6. Step 6: Final answer
    x = 409,536.80

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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.