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Finding the Fourth Proportional to 528,514.42, 792,239.46 and 303,807.46

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Solution

The fourth proportional to 528,514.42, 792,239.46 and 303,807.46 is: 455,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,514.42 : 792,239.46 = 303,807.46 : x
  2. Step 2: Convert to fraction form
    528,514.42/792,239.46 = 303,807.46/x
  3. Step 3: Cross multiply
    528,514.42x = 792,239.46 × 303,807.46
  4. Step 4: Simplify right side
    528,514.42x = 240,688,258,054.37
  5. Step 5: Solve for x
    x = 240,688,258,054.37/528,514.42
  6. Step 6: Final answer
    x = 455,405.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.