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Finding the Fourth Proportional to 451,588.80, 623,273.76 and 260,575.68

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Solution

The fourth proportional to 451,588.80, 623,273.76 and 260,575.68 is: 359,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,588.80 : 623,273.76 = 260,575.68 : x
  2. Step 2: Convert to fraction form
    451,588.80/623,273.76 = 260,575.68/x
  3. Step 3: Cross multiply
    451,588.80x = 623,273.76 × 260,575.68
  4. Step 4: Simplify right side
    451,588.80x = 162,409,983,838.16
  5. Step 5: Solve for x
    x = 162,409,983,838.16/451,588.80
  6. Step 6: Final answer
    x = 359,641.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.