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Finding the Fourth Proportional to 580,711.34, 871,187.95 and 292,684.86

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Solution

The fourth proportional to 580,711.34, 871,187.95 and 292,684.86 is: 439,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,711.34 : 871,187.95 = 292,684.86 : x
  2. Step 2: Convert to fraction form
    580,711.34/871,187.95 = 292,684.86/x
  3. Step 3: Cross multiply
    580,711.34x = 871,187.95 × 292,684.86
  4. Step 4: Simplify right side
    580,711.34x = 254,983,518,823.50
  5. Step 5: Solve for x
    x = 254,983,518,823.50/580,711.34
  6. Step 6: Final answer
    x = 439,088.24

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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.