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Finding the Fourth Proportional to 705,616.02, 973,768.77 and 403,907.22

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Solution

The fourth proportional to 705,616.02, 973,768.77 and 403,907.22 is: 557,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,616.02 : 973,768.77 = 403,907.22 : x
  2. Step 2: Convert to fraction form
    705,616.02/973,768.77 = 403,907.22/x
  3. Step 3: Cross multiply
    705,616.02x = 973,768.77 × 403,907.22
  4. Step 4: Simplify right side
    705,616.02x = 393,312,236,813.52
  5. Step 5: Solve for x
    x = 393,312,236,813.52/705,616.02
  6. Step 6: Final answer
    x = 557,402.65

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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.