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Finding the Fourth Proportional to 539,706.92, 744,807.16 and 298,004.77

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Solution

The fourth proportional to 539,706.92, 744,807.16 and 298,004.77 is: 411,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,706.92 : 744,807.16 = 298,004.77 : x
  2. Step 2: Convert to fraction form
    539,706.92/744,807.16 = 298,004.77/x
  3. Step 3: Cross multiply
    539,706.92x = 744,807.16 × 298,004.77
  4. Step 4: Simplify right side
    539,706.92x = 221,956,081,941.11
  5. Step 5: Solve for x
    x = 221,956,081,941.11/539,706.92
  6. Step 6: Final answer
    x = 411,252.99

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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.