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Finding the Fourth Proportional to 594,547.52, 820,421.28 and 352,788.48

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Solution

The fourth proportional to 594,547.52, 820,421.28 and 352,788.48 is: 486,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,547.52 : 820,421.28 = 352,788.48 : x
  2. Step 2: Convert to fraction form
    594,547.52/820,421.28 = 352,788.48/x
  3. Step 3: Cross multiply
    594,547.52x = 820,421.28 × 352,788.48
  4. Step 4: Simplify right side
    594,547.52x = 289,435,176,330.85
  5. Step 5: Solve for x
    x = 289,435,176,330.85/594,547.52
  6. Step 6: Final answer
    x = 486,815.88

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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.