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Finding the Fourth Proportional to 634,602.41, 875,425.20 and 416,779.85

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Solution

The fourth proportional to 634,602.41, 875,425.20 and 416,779.85 is: 574,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,602.41 : 875,425.20 = 416,779.85 : x
  2. Step 2: Convert to fraction form
    634,602.41/875,425.20 = 416,779.85/x
  3. Step 3: Cross multiply
    634,602.41x = 875,425.20 × 416,779.85
  4. Step 4: Simplify right side
    634,602.41x = 364,859,583,542.22
  5. Step 5: Solve for x
    x = 364,859,583,542.22/634,602.41
  6. Step 6: Final answer
    x = 574,942.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.