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Finding the Fourth Proportional to 525,273.64, 724,880.56 and 298,919.14

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Solution

The fourth proportional to 525,273.64, 724,880.56 and 298,919.14 is: 412,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,273.64 : 724,880.56 = 298,919.14 : x
  2. Step 2: Convert to fraction form
    525,273.64/724,880.56 = 298,919.14/x
  3. Step 3: Cross multiply
    525,273.64x = 724,880.56 × 298,919.14
  4. Step 4: Simplify right side
    525,273.64x = 216,680,673,597.92
  5. Step 5: Solve for x
    x = 216,680,673,597.92/525,273.64
  6. Step 6: Final answer
    x = 412,510.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.