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Finding the Fourth Proportional to 540,707.84, 746,169.04 and 298,985.12

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Solution

The fourth proportional to 540,707.84, 746,169.04 and 298,985.12 is: 412,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,707.84 : 746,169.04 = 298,985.12 : x
  2. Step 2: Convert to fraction form
    540,707.84/746,169.04 = 298,985.12/x
  3. Step 3: Cross multiply
    540,707.84x = 746,169.04 × 298,985.12
  4. Step 4: Simplify right side
    540,707.84x = 223,093,439,964.69
  5. Step 5: Solve for x
    x = 223,093,439,964.69/540,707.84
  6. Step 6: Final answer
    x = 412,595.16

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Double scale
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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.