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Finding the Fourth Proportional to 360,315.96, 540,051.90 and 146,950.80

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Solution

The fourth proportional to 360,315.96, 540,051.90 and 146,950.80 is: 220,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,315.96 : 540,051.90 = 146,950.80 : x
  2. Step 2: Convert to fraction form
    360,315.96/540,051.90 = 146,950.80/x
  3. Step 3: Cross multiply
    360,315.96x = 540,051.90 × 146,950.80
  4. Step 4: Simplify right side
    360,315.96x = 79,361,058,746.52
  5. Step 5: Solve for x
    x = 79,361,058,746.52/360,315.96
  6. Step 6: Final answer
    x = 220,254.08

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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.