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Finding the Fourth Proportional to 623,132.32, 859,923 and 336,652.28

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Solution

The fourth proportional to 623,132.32, 859,923 and 336,652.28 is: 464,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,132.32 : 859,923 = 336,652.28 : x
  2. Step 2: Convert to fraction form
    623,132.32/859,923 = 336,652.28/x
  3. Step 3: Cross multiply
    623,132.32x = 859,923 × 336,652.28
  4. Step 4: Simplify right side
    623,132.32x = 289,495,038,574.44
  5. Step 5: Solve for x
    x = 289,495,038,574.44/623,132.32
  6. Step 6: Final answer
    x = 464,580.36

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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.