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Finding the Fourth Proportional to 583,891.60, 805,776.24 and 342,317.20

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Solution

The fourth proportional to 583,891.60, 805,776.24 and 342,317.20 is: 472,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,891.60 : 805,776.24 = 342,317.20 : x
  2. Step 2: Convert to fraction form
    583,891.60/805,776.24 = 342,317.20/x
  3. Step 3: Cross multiply
    583,891.60x = 805,776.24 × 342,317.20
  4. Step 4: Simplify right side
    583,891.60x = 275,831,066,303.33
  5. Step 5: Solve for x
    x = 275,831,066,303.33/583,891.60
  6. Step 6: Final answer
    x = 472,401.16

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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.