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Finding the Fourth Proportional to 608,907.54, 840,279.12 and 333,264.06

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Solution

The fourth proportional to 608,907.54, 840,279.12 and 333,264.06 is: 459,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,907.54 : 840,279.12 = 333,264.06 : x
  2. Step 2: Convert to fraction form
    608,907.54/840,279.12 = 333,264.06/x
  3. Step 3: Cross multiply
    608,907.54x = 840,279.12 × 333,264.06
  4. Step 4: Simplify right side
    608,907.54x = 280,034,831,064.43
  5. Step 5: Solve for x
    x = 280,034,831,064.43/608,907.54
  6. Step 6: Final answer
    x = 459,897.13

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1.5x scale

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.