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Finding the Fourth Proportional to 702,444.96, 969,373.98 and 380,155.12

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Solution

The fourth proportional to 702,444.96, 969,373.98 and 380,155.12 is: 524,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,444.96 : 969,373.98 = 380,155.12 : x
  2. Step 2: Convert to fraction form
    702,444.96/969,373.98 = 380,155.12/x
  3. Step 3: Cross multiply
    702,444.96x = 969,373.98 × 380,155.12
  4. Step 4: Simplify right side
    702,444.96x = 368,512,484,721.07
  5. Step 5: Solve for x
    x = 368,512,484,721.07/702,444.96
  6. Step 6: Final answer
    x = 524,614.03

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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.