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Finding the Fourth Proportional to 652,554.95, 900,911.90 and 411,044.54

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Solution

The fourth proportional to 652,554.95, 900,911.90 and 411,044.54 is: 567,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,554.95 : 900,911.90 = 411,044.54 : x
  2. Step 2: Convert to fraction form
    652,554.95/900,911.90 = 411,044.54/x
  3. Step 3: Cross multiply
    652,554.95x = 900,911.90 × 411,044.54
  4. Step 4: Simplify right side
    652,554.95x = 370,314,914,039.08
  5. Step 5: Solve for x
    x = 370,314,914,039.08/652,554.95
  6. Step 6: Final answer
    x = 567,484.65

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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.