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Finding the Fourth Proportional to 525,411.86, 788,228.46 and 170,398.18

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Solution

The fourth proportional to 525,411.86, 788,228.46 and 170,398.18 is: 255,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,411.86 : 788,228.46 = 170,398.18 : x
  2. Step 2: Convert to fraction form
    525,411.86/788,228.46 = 170,398.18/x
  3. Step 3: Cross multiply
    525,411.86x = 788,228.46 × 170,398.18
  4. Step 4: Simplify right side
    525,411.86x = 134,312,695,008.20
  5. Step 5: Solve for x
    x = 134,312,695,008.20/525,411.86
  6. Step 6: Final answer
    x = 255,633.16

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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.