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Finding the Fourth Proportional to 292,211.70, 438,317.55 and 151,952.10

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Solution

The fourth proportional to 292,211.70, 438,317.55 and 151,952.10 is: 227,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,211.70 : 438,317.55 = 151,952.10 : x
  2. Step 2: Convert to fraction form
    292,211.70/438,317.55 = 151,952.10/x
  3. Step 3: Cross multiply
    292,211.70x = 438,317.55 × 151,952.10
  4. Step 4: Simplify right side
    292,211.70x = 66,603,272,189.36
  5. Step 5: Solve for x
    x = 66,603,272,189.36/292,211.70
  6. Step 6: Final answer
    x = 227,928.15

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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.