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Finding the Fourth Proportional to 615,491.94, 849,520.59 and 360,925.14

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Solution

The fourth proportional to 615,491.94, 849,520.59 and 360,925.14 is: 498,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,491.94 : 849,520.59 = 360,925.14 : x
  2. Step 2: Convert to fraction form
    615,491.94/849,520.59 = 360,925.14/x
  3. Step 3: Cross multiply
    615,491.94x = 849,520.59 × 360,925.14
  4. Step 4: Simplify right side
    615,491.94x = 306,613,337,878.63
  5. Step 5: Solve for x
    x = 306,613,337,878.63/615,491.94
  6. Step 6: Final answer
    x = 498,159.79

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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.