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Finding the Fourth Proportional to 477,928.90, 716,893.35 and 404,200.90

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Solution

The fourth proportional to 477,928.90, 716,893.35 and 404,200.90 is: 606,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,928.90 : 716,893.35 = 404,200.90 : x
  2. Step 2: Convert to fraction form
    477,928.90/716,893.35 = 404,200.90/x
  3. Step 3: Cross multiply
    477,928.90x = 716,893.35 × 404,200.90
  4. Step 4: Simplify right side
    477,928.90x = 289,768,937,274.02
  5. Step 5: Solve for x
    x = 289,768,937,274.02/477,928.90
  6. Step 6: Final answer
    x = 606,301.35

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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.