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Finding the Fourth Proportional to 583,571.01, 805,334.15 and 328,922.20

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Solution

The fourth proportional to 583,571.01, 805,334.15 and 328,922.20 is: 453,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,571.01 : 805,334.15 = 328,922.20 : x
  2. Step 2: Convert to fraction form
    583,571.01/805,334.15 = 328,922.20/x
  3. Step 3: Cross multiply
    583,571.01x = 805,334.15 × 328,922.20
  4. Step 4: Simplify right side
    583,571.01x = 264,892,276,695.18
  5. Step 5: Solve for x
    x = 264,892,276,695.18/583,571.01
  6. Step 6: Final answer
    x = 453,916.10

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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.