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Finding the Fourth Proportional to 418,094.87, 576,710.69 and 348,065.51

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Solution

The fourth proportional to 418,094.87, 576,710.69 and 348,065.51 is: 480,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,094.87 : 576,710.69 = 348,065.51 : x
  2. Step 2: Convert to fraction form
    418,094.87/576,710.69 = 348,065.51/x
  3. Step 3: Cross multiply
    418,094.87x = 576,710.69 × 348,065.51
  4. Step 4: Simplify right side
    418,094.87x = 200,733,095,813.42
  5. Step 5: Solve for x
    x = 200,733,095,813.42/418,094.87
  6. Step 6: Final answer
    x = 480,113.76

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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.