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Finding the Fourth Proportional to 532,015.76, 798,015.72 and 247,547

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Solution

The fourth proportional to 532,015.76, 798,015.72 and 247,547 is: 371,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,015.76 : 798,015.72 = 247,547 : x
  2. Step 2: Convert to fraction form
    532,015.76/798,015.72 = 247,547/x
  3. Step 3: Cross multiply
    532,015.76x = 798,015.72 × 247,547
  4. Step 4: Simplify right side
    532,015.76x = 197,546,397,438.84
  5. Step 5: Solve for x
    x = 197,546,397,438.84/532,015.76
  6. Step 6: Final answer
    x = 371,316.81

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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.