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Finding the Fourth Proportional to 620,503.00, 930,756.93 and 410,094.16

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Solution

The fourth proportional to 620,503.00, 930,756.93 and 410,094.16 is: 615,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,503.00 : 930,756.93 = 410,094.16 : x
  2. Step 2: Convert to fraction form
    620,503.00/930,756.93 = 410,094.16/x
  3. Step 3: Cross multiply
    620,503.00x = 930,756.93 × 410,094.16
  4. Step 4: Simplify right side
    620,503.00x = 381,697,977,507.78
  5. Step 5: Solve for x
    x = 381,697,977,507.78/620,503.00
  6. Step 6: Final answer
    x = 615,142.84

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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.