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Finding the Fourth Proportional to 594,307.40, 820,018.08 and 352,668.60

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Solution

The fourth proportional to 594,307.40, 820,018.08 and 352,668.60 is: 486,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,307.40 : 820,018.08 = 352,668.60 : x
  2. Step 2: Convert to fraction form
    594,307.40/820,018.08 = 352,668.60/x
  3. Step 3: Cross multiply
    594,307.40x = 820,018.08 × 352,668.60
  4. Step 4: Simplify right side
    594,307.40x = 289,194,628,248.29
  5. Step 5: Solve for x
    x = 289,194,628,248.29/594,307.40
  6. Step 6: Final answer
    x = 486,607.82

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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.