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Finding the Fourth Proportional to 504,990.08, 757,484.16 and 294,480.40

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Solution

The fourth proportional to 504,990.08, 757,484.16 and 294,480.40 is: 441,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,990.08 : 757,484.16 = 294,480.40 : x
  2. Step 2: Convert to fraction form
    504,990.08/757,484.16 = 294,480.40/x
  3. Step 3: Cross multiply
    504,990.08x = 757,484.16 × 294,480.40
  4. Step 4: Simplify right side
    504,990.08x = 223,064,238,430.46
  5. Step 5: Solve for x
    x = 223,064,238,430.46/504,990.08
  6. Step 6: Final answer
    x = 441,720.04

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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.