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Finding the Fourth Proportional to 571,030.80, 855,624.60 and 360,291.60

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Solution

The fourth proportional to 571,030.80, 855,624.60 and 360,291.60 is: 539,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,030.80 : 855,624.60 = 360,291.60 : x
  2. Step 2: Convert to fraction form
    571,030.80/855,624.60 = 360,291.60/x
  3. Step 3: Cross multiply
    571,030.80x = 855,624.60 × 360,291.60
  4. Step 4: Simplify right side
    571,030.80x = 308,274,356,133.36
  5. Step 5: Solve for x
    x = 308,274,356,133.36/571,030.80
  6. Step 6: Final answer
    x = 539,855.92

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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.