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Finding the Fourth Proportional to 216,570.04, 324,901.43 and 64,779.04

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Solution

The fourth proportional to 216,570.04, 324,901.43 and 64,779.04 is: 97,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,570.04 : 324,901.43 = 64,779.04 : x
  2. Step 2: Convert to fraction form
    216,570.04/324,901.43 = 64,779.04/x
  3. Step 3: Cross multiply
    216,570.04x = 324,901.43 × 64,779.04
  4. Step 4: Simplify right side
    216,570.04x = 21,046,802,730.03
  5. Step 5: Solve for x
    x = 21,046,802,730.03/216,570.04
  6. Step 6: Final answer
    x = 97,182.43

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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.