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Finding the Fourth Proportional to 583,689.54, 805,616.81 and 368,692.86

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Solution

The fourth proportional to 583,689.54, 805,616.81 and 368,692.86 is: 508,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,689.54 : 805,616.81 = 368,692.86 : x
  2. Step 2: Convert to fraction form
    583,689.54/805,616.81 = 368,692.86/x
  3. Step 3: Cross multiply
    583,689.54x = 805,616.81 × 368,692.86
  4. Step 4: Simplify right side
    583,689.54x = 297,025,165,742.98
  5. Step 5: Solve for x
    x = 297,025,165,742.98/583,689.54
  6. Step 6: Final answer
    x = 508,875.26

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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.