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Finding the Fourth Proportional to 425,019.08, 586,528.08 and 255,256.04

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Solution

The fourth proportional to 425,019.08, 586,528.08 and 255,256.04 is: 352,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,019.08 : 586,528.08 = 255,256.04 : x
  2. Step 2: Convert to fraction form
    425,019.08/586,528.08 = 255,256.04/x
  3. Step 3: Cross multiply
    425,019.08x = 586,528.08 × 255,256.04
  4. Step 4: Simplify right side
    425,019.08x = 149,714,835,049.60
  5. Step 5: Solve for x
    x = 149,714,835,049.60/425,019.08
  6. Step 6: Final answer
    x = 352,254.39

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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.