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Finding the Fourth Proportional to 459,036.72, 633,474.12 and 255,106.72

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Solution

The fourth proportional to 459,036.72, 633,474.12 and 255,106.72 is: 352,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,036.72 : 633,474.12 = 255,106.72 : x
  2. Step 2: Convert to fraction form
    459,036.72/633,474.12 = 255,106.72/x
  3. Step 3: Cross multiply
    459,036.72x = 633,474.12 × 255,106.72
  4. Step 4: Simplify right side
    459,036.72x = 161,603,501,708.31
  5. Step 5: Solve for x
    x = 161,603,501,708.31/459,036.72
  6. Step 6: Final answer
    x = 352,049.18

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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.