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Finding the Fourth Proportional to 508,393.55, 700,944.77 and 372,191.04

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Solution

The fourth proportional to 508,393.55, 700,944.77 and 372,191.04 is: 513,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,393.55 : 700,944.77 = 372,191.04 : x
  2. Step 2: Convert to fraction form
    508,393.55/700,944.77 = 372,191.04/x
  3. Step 3: Cross multiply
    508,393.55x = 700,944.77 × 372,191.04
  4. Step 4: Simplify right side
    508,393.55x = 260,885,363,859.34
  5. Step 5: Solve for x
    x = 260,885,363,859.34/508,393.55
  6. Step 6: Final answer
    x = 513,156.32

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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.