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Finding the Fourth Proportional to 581,350.98, 871,140.72 and 297,030.04

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Solution

The fourth proportional to 581,350.98, 871,140.72 and 297,030.04 is: 445,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,350.98 : 871,140.72 = 297,030.04 : x
  2. Step 2: Convert to fraction form
    581,350.98/871,140.72 = 297,030.04/x
  3. Step 3: Cross multiply
    581,350.98x = 871,140.72 × 297,030.04
  4. Step 4: Simplify right side
    581,350.98x = 258,754,962,907.23
  5. Step 5: Solve for x
    x = 258,754,962,907.23/581,350.98
  6. Step 6: Final answer
    x = 445,092.50

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Double scale
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Similar ratio
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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.