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Finding the Fourth Proportional to 364,554.99, 547,111.59 and 165,015.51

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Solution

The fourth proportional to 364,554.99, 547,111.59 and 165,015.51 is: 247,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,554.99 : 547,111.59 = 165,015.51 : x
  2. Step 2: Convert to fraction form
    364,554.99/547,111.59 = 165,015.51/x
  3. Step 3: Cross multiply
    364,554.99x = 547,111.59 × 165,015.51
  4. Step 4: Simplify right side
    364,554.99x = 90,281,898,050.76
  5. Step 5: Solve for x
    x = 90,281,898,050.76/364,554.99
  6. Step 6: Final answer
    x = 247,649.60

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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.