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Finding the Fourth Proportional to 528,054.93, 728,714.88 and 295,482.06

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Solution

The fourth proportional to 528,054.93, 728,714.88 and 295,482.06 is: 407,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,054.93 : 728,714.88 = 295,482.06 : x
  2. Step 2: Convert to fraction form
    528,054.93/728,714.88 = 295,482.06/x
  3. Step 3: Cross multiply
    528,054.93x = 728,714.88 × 295,482.06
  4. Step 4: Simplify right side
    528,054.93x = 215,322,173,895.05
  5. Step 5: Solve for x
    x = 215,322,173,895.05/528,054.93
  6. Step 6: Final answer
    x = 407,764.73

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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.