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Finding the Fourth Proportional to 610,702.77, 842,774.49 and 335,058.78

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Solution

The fourth proportional to 610,702.77, 842,774.49 and 335,058.78 is: 462,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,702.77 : 842,774.49 = 335,058.78 : x
  2. Step 2: Convert to fraction form
    610,702.77/842,774.49 = 335,058.78/x
  3. Step 3: Cross multiply
    610,702.77x = 842,774.49 × 335,058.78
  4. Step 4: Simplify right side
    610,702.77x = 282,378,992,434.52
  5. Step 5: Solve for x
    x = 282,378,992,434.52/610,702.77
  6. Step 6: Final answer
    x = 462,383.68

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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.