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Finding the Fourth Proportional to 525,527.56, 788,291.85 and 146,449.38

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Solution

The fourth proportional to 525,527.56, 788,291.85 and 146,449.38 is: 219,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,527.56 : 788,291.85 = 146,449.38 : x
  2. Step 2: Convert to fraction form
    525,527.56/788,291.85 = 146,449.38/x
  3. Step 3: Cross multiply
    525,527.56x = 788,291.85 × 146,449.38
  4. Step 4: Simplify right side
    525,527.56x = 115,444,852,047.45
  5. Step 5: Solve for x
    x = 115,444,852,047.45/525,527.56
  6. Step 6: Final answer
    x = 219,674.21

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Double scale
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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.