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Finding the Fourth Proportional to 975,683.80, 1,463,525.70 and 265,710.70

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Solution

The fourth proportional to 975,683.80, 1,463,525.70 and 265,710.70 is: 398,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,683.80 : 1,463,525.70 = 265,710.70 : x
  2. Step 2: Convert to fraction form
    975,683.80/1,463,525.70 = 265,710.70/x
  3. Step 3: Cross multiply
    975,683.80x = 1,463,525.70 × 265,710.70
  4. Step 4: Simplify right side
    975,683.80x = 388,874,438,214.99
  5. Step 5: Solve for x
    x = 388,874,438,214.99/975,683.80
  6. Step 6: Final answer
    x = 398,566.05

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Double scale
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Similar ratio
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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.