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Finding the Fourth Proportional to 433,543.60, 650,315.40 and 328,567.60

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Solution

The fourth proportional to 433,543.60, 650,315.40 and 328,567.60 is: 492,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,543.60 : 650,315.40 = 328,567.60 : x
  2. Step 2: Convert to fraction form
    433,543.60/650,315.40 = 328,567.60/x
  3. Step 3: Cross multiply
    433,543.60x = 650,315.40 × 328,567.60
  4. Step 4: Simplify right side
    433,543.60x = 213,672,570,221.04
  5. Step 5: Solve for x
    x = 213,672,570,221.04/433,543.60
  6. Step 6: Final answer
    x = 492,851.40

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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.