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Finding the Fourth Proportional to 583,860.28, 805,726.74 and 315,588.28

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Solution

The fourth proportional to 583,860.28, 805,726.74 and 315,588.28 is: 435,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,860.28 : 805,726.74 = 315,588.28 : x
  2. Step 2: Convert to fraction form
    583,860.28/805,726.74 = 315,588.28/x
  3. Step 3: Cross multiply
    583,860.28x = 805,726.74 × 315,588.28
  4. Step 4: Simplify right side
    583,860.28x = 254,277,916,026.61
  5. Step 5: Solve for x
    x = 254,277,916,026.61/583,860.28
  6. Step 6: Final answer
    x = 435,511.59

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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.