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Finding the Fourth Proportional to 376,547.49, 519,507.20 and 240,659.87

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Solution

The fourth proportional to 376,547.49, 519,507.20 and 240,659.87 is: 332,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,547.49 : 519,507.20 = 240,659.87 : x
  2. Step 2: Convert to fraction form
    376,547.49/519,507.20 = 240,659.87/x
  3. Step 3: Cross multiply
    376,547.49x = 519,507.20 × 240,659.87
  4. Step 4: Simplify right side
    376,547.49x = 125,024,533,220.18
  5. Step 5: Solve for x
    x = 125,024,533,220.18/376,547.49
  6. Step 6: Final answer
    x = 332,028.59

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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.