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Finding the Fourth Proportional to 623,008, 859,751.36 and 336,528.08

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Solution

The fourth proportional to 623,008, 859,751.36 and 336,528.08 is: 464,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,008 : 859,751.36 = 336,528.08 : x
  2. Step 2: Convert to fraction form
    623,008/859,751.36 = 336,528.08/x
  3. Step 3: Cross multiply
    623,008x = 859,751.36 × 336,528.08
  4. Step 4: Simplify right side
    623,008x = 289,330,474,458.19
  5. Step 5: Solve for x
    x = 289,330,474,458.19/623,008
  6. Step 6: Final answer
    x = 464,408.92

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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.