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Finding the Fourth Proportional to 233,152.10, 349,728.15 and 215,437.40

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Solution

The fourth proportional to 233,152.10, 349,728.15 and 215,437.40 is: 323,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,152.10 : 349,728.15 = 215,437.40 : x
  2. Step 2: Convert to fraction form
    233,152.10/349,728.15 = 215,437.40/x
  3. Step 3: Cross multiply
    233,152.10x = 349,728.15 × 215,437.40
  4. Step 4: Simplify right side
    233,152.10x = 75,344,523,342.81
  5. Step 5: Solve for x
    x = 75,344,523,342.81/233,152.10
  6. Step 6: Final answer
    x = 323,156.10

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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.