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Finding the Fourth Proportional to 623,048.34, 859,805.60 and 336,567.54

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Solution

The fourth proportional to 623,048.34, 859,805.60 and 336,567.54 is: 464,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,048.34 : 859,805.60 = 336,567.54 : x
  2. Step 2: Convert to fraction form
    623,048.34/859,805.60 = 336,567.54/x
  3. Step 3: Cross multiply
    623,048.34x = 859,805.60 × 336,567.54
  4. Step 4: Simplify right side
    623,048.34x = 289,382,655,670.22
  5. Step 5: Solve for x
    x = 289,382,655,670.22/623,048.34
  6. Step 6: Final answer
    x = 464,462.61

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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.