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Finding the Fourth Proportional to 425,064.34, 586,606.92 and 243,827.38

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Solution

The fourth proportional to 425,064.34, 586,606.92 and 243,827.38 is: 336,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,064.34 : 586,606.92 = 243,827.38 : x
  2. Step 2: Convert to fraction form
    425,064.34/586,606.92 = 243,827.38/x
  3. Step 3: Cross multiply
    425,064.34x = 586,606.92 × 243,827.38
  4. Step 4: Simplify right side
    425,064.34x = 143,030,828,393.47
  5. Step 5: Solve for x
    x = 143,030,828,393.47/425,064.34
  6. Step 6: Final answer
    x = 336,492.18

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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.