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Finding the Fourth Proportional to 525,681.93, 788,511.54 and 146,592.56

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Solution

The fourth proportional to 525,681.93, 788,511.54 and 146,592.56 is: 219,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,681.93 : 788,511.54 = 146,592.56 : x
  2. Step 2: Convert to fraction form
    525,681.93/788,511.54 = 146,592.56/x
  3. Step 3: Cross multiply
    525,681.93x = 788,511.54 × 146,592.56
  4. Step 4: Simplify right side
    525,681.93x = 115,589,925,238.14
  5. Step 5: Solve for x
    x = 115,589,925,238.14/525,681.93
  6. Step 6: Final answer
    x = 219,885.67

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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.