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Finding the Fourth Proportional to 288,262.74, 432,417.15 and 101,316.18

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Solution

The fourth proportional to 288,262.74, 432,417.15 and 101,316.18 is: 151,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,262.74 : 432,417.15 = 101,316.18 : x
  2. Step 2: Convert to fraction form
    288,262.74/432,417.15 = 101,316.18/x
  3. Step 3: Cross multiply
    288,262.74x = 432,417.15 × 101,316.18
  4. Step 4: Simplify right side
    288,262.74x = 43,810,853,804.49
  5. Step 5: Solve for x
    x = 43,810,853,804.49/288,262.74
  6. Step 6: Final answer
    x = 151,982.37

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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.