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Finding the Fourth Proportional to 605,417.05, 835,475.55 and 333,484.12

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Solution

The fourth proportional to 605,417.05, 835,475.55 and 333,484.12 is: 460,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,417.05 : 835,475.55 = 333,484.12 : x
  2. Step 2: Convert to fraction form
    605,417.05/835,475.55 = 333,484.12/x
  3. Step 3: Cross multiply
    605,417.05x = 835,475.55 × 333,484.12
  4. Step 4: Simplify right side
    605,417.05x = 278,617,828,573.27
  5. Step 5: Solve for x
    x = 278,617,828,573.27/605,417.05
  6. Step 6: Final answer
    x = 460,208.10

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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.