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Finding the Fourth Proportional to 260,039.70, 364,547.10 and 260,039.70

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Solution

The fourth proportional to 260,039.70, 364,547.10 and 260,039.70 is: 364,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,039.70 : 364,547.10 = 260,039.70 : x
  2. Step 2: Convert to fraction form
    260,039.70/364,547.10 = 260,039.70/x
  3. Step 3: Cross multiply
    260,039.70x = 364,547.10 × 260,039.70
  4. Step 4: Simplify right side
    260,039.70x = 94,796,718,519.87
  5. Step 5: Solve for x
    x = 94,796,718,519.87/260,039.70
  6. Step 6: Final answer
    x = 364,547.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.