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Finding the Fourth Proportional to 357,528.24, 536,289.42 and 144,292.89

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Solution

The fourth proportional to 357,528.24, 536,289.42 and 144,292.89 is: 216,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,528.24 : 536,289.42 = 144,292.89 : x
  2. Step 2: Convert to fraction form
    357,528.24/536,289.42 = 144,292.89/x
  3. Step 3: Cross multiply
    357,528.24x = 536,289.42 × 144,292.89
  4. Step 4: Simplify right side
    357,528.24x = 77,382,750,288.22
  5. Step 5: Solve for x
    x = 77,382,750,288.22/357,528.24
  6. Step 6: Final answer
    x = 216,438.15

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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.