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Finding the Fourth Proportional to 525,849.70, 788,774.55 and 336,892.90

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Solution

The fourth proportional to 525,849.70, 788,774.55 and 336,892.90 is: 505,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,849.70 : 788,774.55 = 336,892.90 : x
  2. Step 2: Convert to fraction form
    525,849.70/788,774.55 = 336,892.90/x
  3. Step 3: Cross multiply
    525,849.70x = 788,774.55 × 336,892.90
  4. Step 4: Simplify right side
    525,849.70x = 265,732,545,595.70
  5. Step 5: Solve for x
    x = 265,732,545,595.70/525,849.70
  6. Step 6: Final answer
    x = 505,339.35

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Similar ratio
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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.