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Finding the Fourth Proportional to 676,881.83, 934,075.78 and 370,952.65

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Solution

The fourth proportional to 676,881.83, 934,075.78 and 370,952.65 is: 511,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,881.83 : 934,075.78 = 370,952.65 : x
  2. Step 2: Convert to fraction form
    676,881.83/934,075.78 = 370,952.65/x
  3. Step 3: Cross multiply
    676,881.83x = 934,075.78 × 370,952.65
  4. Step 4: Simplify right side
    676,881.83x = 346,497,886,132.03
  5. Step 5: Solve for x
    x = 346,497,886,132.03/676,881.83
  6. Step 6: Final answer
    x = 511,903.07

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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.