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Finding the Fourth Proportional to 569,580.16, 786,000.96 and 311,463.36

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Solution

The fourth proportional to 569,580.16, 786,000.96 and 311,463.36 is: 429,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,580.16 : 786,000.96 = 311,463.36 : x
  2. Step 2: Convert to fraction form
    569,580.16/786,000.96 = 311,463.36/x
  3. Step 3: Cross multiply
    569,580.16x = 786,000.96 × 311,463.36
  4. Step 4: Simplify right side
    569,580.16x = 244,810,499,964.83
  5. Step 5: Solve for x
    x = 244,810,499,964.83/569,580.16
  6. Step 6: Final answer
    x = 429,808.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.