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Finding the Fourth Proportional to 459,541.72, 634,224.54 and 258,337.72

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Solution

The fourth proportional to 459,541.72, 634,224.54 and 258,337.72 is: 356,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,541.72 : 634,224.54 = 258,337.72 : x
  2. Step 2: Convert to fraction form
    459,541.72/634,224.54 = 258,337.72/x
  3. Step 3: Cross multiply
    459,541.72x = 634,224.54 × 258,337.72
  4. Step 4: Simplify right side
    459,541.72x = 163,844,121,631.65
  5. Step 5: Solve for x
    x = 163,844,121,631.65/459,541.72
  6. Step 6: Final answer
    x = 356,538.08

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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.