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Finding the Fourth Proportional to 637,596.01, 879,909.69 and 365,740.57

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Solution

The fourth proportional to 637,596.01, 879,909.69 and 365,740.57 is: 504,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,596.01 : 879,909.69 = 365,740.57 : x
  2. Step 2: Convert to fraction form
    637,596.01/879,909.69 = 365,740.57/x
  3. Step 3: Cross multiply
    637,596.01x = 879,909.69 × 365,740.57
  4. Step 4: Simplify right side
    637,596.01x = 321,818,671,569.12
  5. Step 5: Solve for x
    x = 321,818,671,569.12/637,596.01
  6. Step 6: Final answer
    x = 504,737.59

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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.