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Finding the Fourth Proportional to 406,085.30, 560,210.01 and 262,891.70

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Solution

The fourth proportional to 406,085.30, 560,210.01 and 262,891.70 is: 362,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,085.30 : 560,210.01 = 262,891.70 : x
  2. Step 2: Convert to fraction form
    406,085.30/560,210.01 = 262,891.70/x
  3. Step 3: Cross multiply
    406,085.30x = 560,210.01 × 262,891.70
  4. Step 4: Simplify right side
    406,085.30x = 147,274,561,885.92
  5. Step 5: Solve for x
    x = 147,274,561,885.92/406,085.30
  6. Step 6: Final answer
    x = 362,669.03

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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.