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Finding the Fourth Proportional to 594,376.64, 820,024.52 and 390,537.28

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Solution

The fourth proportional to 594,376.64, 820,024.52 and 390,537.28 is: 538,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,376.64 : 820,024.52 = 390,537.28 : x
  2. Step 2: Convert to fraction form
    594,376.64/820,024.52 = 390,537.28/x
  3. Step 3: Cross multiply
    594,376.64x = 820,024.52 × 390,537.28
  4. Step 4: Simplify right side
    594,376.64x = 320,250,145,574.11
  5. Step 5: Solve for x
    x = 320,250,145,574.11/594,376.64
  6. Step 6: Final answer
    x = 538,800.02

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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.