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Finding the Fourth Proportional to 595,941.20, 893,911.80 and 406,984.40

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Solution

The fourth proportional to 595,941.20, 893,911.80 and 406,984.40 is: 610,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,941.20 : 893,911.80 = 406,984.40 : x
  2. Step 2: Convert to fraction form
    595,941.20/893,911.80 = 406,984.40/x
  3. Step 3: Cross multiply
    595,941.20x = 893,911.80 × 406,984.40
  4. Step 4: Simplify right side
    595,941.20x = 363,808,157,575.92
  5. Step 5: Solve for x
    x = 363,808,157,575.92/595,941.20
  6. Step 6: Final answer
    x = 610,476.60

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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.