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Finding the Fourth Proportional to 605,516.10, 907,496.55 and 368,607.30

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Solution

The fourth proportional to 605,516.10, 907,496.55 and 368,607.30 is: 552,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,516.10 : 907,496.55 = 368,607.30 : x
  2. Step 2: Convert to fraction form
    605,516.10/907,496.55 = 368,607.30/x
  3. Step 3: Cross multiply
    605,516.10x = 907,496.55 × 368,607.30
  4. Step 4: Simplify right side
    605,516.10x = 334,509,853,054.82
  5. Step 5: Solve for x
    x = 334,509,853,054.82/605,516.10
  6. Step 6: Final answer
    x = 552,437.59

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1.5x scale

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.