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Finding the Fourth Proportional to 555,728.64, 833,592.96 and 369,104.64

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Solution

The fourth proportional to 555,728.64, 833,592.96 and 369,104.64 is: 553,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,728.64 : 833,592.96 = 369,104.64 : x
  2. Step 2: Convert to fraction form
    555,728.64/833,592.96 = 369,104.64/x
  3. Step 3: Cross multiply
    555,728.64x = 833,592.96 × 369,104.64
  4. Step 4: Simplify right side
    555,728.64x = 307,683,029,407.33
  5. Step 5: Solve for x
    x = 307,683,029,407.33/555,728.64
  6. Step 6: Final answer
    x = 553,656.96

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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.