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Finding the Fourth Proportional to 581,747.20, 873,009.60 and 266,041.60

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Solution

The fourth proportional to 581,747.20, 873,009.60 and 266,041.60 is: 399,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,747.20 : 873,009.60 = 266,041.60 : x
  2. Step 2: Convert to fraction form
    581,747.20/873,009.60 = 266,041.60/x
  3. Step 3: Cross multiply
    581,747.20x = 873,009.60 × 266,041.60
  4. Step 4: Simplify right side
    581,747.20x = 232,256,870,799.36
  5. Step 5: Solve for x
    x = 232,256,870,799.36/581,747.20
  6. Step 6: Final answer
    x = 399,240.20

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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.