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Finding the Fourth Proportional to 525,411.34, 788,227.70 and 170,397.68

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Solution

The fourth proportional to 525,411.34, 788,227.70 and 170,397.68 is: 255,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,411.34 : 788,227.70 = 170,397.68 : x
  2. Step 2: Convert to fraction form
    525,411.34/788,227.70 = 170,397.68/x
  3. Step 3: Cross multiply
    525,411.34x = 788,227.70 × 170,397.68
  4. Step 4: Simplify right side
    525,411.34x = 134,312,171,391.74
  5. Step 5: Solve for x
    x = 134,312,171,391.74/525,411.34
  6. Step 6: Final answer
    x = 255,632.42

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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.