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Finding the Fourth Proportional to 289,159.02, 433,428.25 and 120,552.25

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Solution

The fourth proportional to 289,159.02, 433,428.25 and 120,552.25 is: 180,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,159.02 : 433,428.25 = 120,552.25 : x
  2. Step 2: Convert to fraction form
    289,159.02/433,428.25 = 120,552.25/x
  3. Step 3: Cross multiply
    289,159.02x = 433,428.25 × 120,552.25
  4. Step 4: Simplify right side
    289,159.02x = 52,250,750,751.06
  5. Step 5: Solve for x
    x = 52,250,750,751.06/289,159.02
  6. Step 6: Final answer
    x = 180,699.02

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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.