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Finding the Fourth Proportional to 545,901.60, 819,697.20 and 297,069.60

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Solution

The fourth proportional to 545,901.60, 819,697.20 and 297,069.60 is: 446,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,901.60 : 819,697.20 = 297,069.60 : x
  2. Step 2: Convert to fraction form
    545,901.60/819,697.20 = 297,069.60/x
  3. Step 3: Cross multiply
    545,901.60x = 819,697.20 × 297,069.60
  4. Step 4: Simplify right side
    545,901.60x = 243,507,119,325.12
  5. Step 5: Solve for x
    x = 243,507,119,325.12/545,901.60
  6. Step 6: Final answer
    x = 446,064.12

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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.