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Finding the Fourth Proportional to 532,783.13, 735,274.65 and 303,360.45

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Solution

The fourth proportional to 532,783.13, 735,274.65 and 303,360.45 is: 418,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,783.13 : 735,274.65 = 303,360.45 : x
  2. Step 2: Convert to fraction form
    532,783.13/735,274.65 = 303,360.45/x
  3. Step 3: Cross multiply
    532,783.13x = 735,274.65 × 303,360.45
  4. Step 4: Simplify right side
    532,783.13x = 223,053,248,697.59
  5. Step 5: Solve for x
    x = 223,053,248,697.59/532,783.13
  6. Step 6: Final answer
    x = 418,656.74

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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.