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Finding the Fourth Proportional to 604,847.76, 832,888.20 and 591,421.86

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Solution

The fourth proportional to 604,847.76, 832,888.20 and 591,421.86 is: 814,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,847.76 : 832,888.20 = 591,421.86 : x
  2. Step 2: Convert to fraction form
    604,847.76/832,888.20 = 591,421.86/x
  3. Step 3: Cross multiply
    604,847.76x = 832,888.20 × 591,421.86
  4. Step 4: Simplify right side
    604,847.76x = 492,588,288,416.05
  5. Step 5: Solve for x
    x = 492,588,288,416.05/604,847.76
  6. Step 6: Final answer
    x = 814,400.45

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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.