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Finding the Fourth Proportional to 581,535.98, 872,345.64 and 155,069.60

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Solution

The fourth proportional to 581,535.98, 872,345.64 and 155,069.60 is: 232,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,535.98 : 872,345.64 = 155,069.60 : x
  2. Step 2: Convert to fraction form
    581,535.98/872,345.64 = 155,069.60/x
  3. Step 3: Cross multiply
    581,535.98x = 872,345.64 × 155,069.60
  4. Step 4: Simplify right side
    581,535.98x = 135,274,289,456.54
  5. Step 5: Solve for x
    x = 135,274,289,456.54/581,535.98
  6. Step 6: Final answer
    x = 232,615.51

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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.