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Finding the Fourth Proportional to 586,673.64, 809,506.80 and 360,392.04

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Solution

The fourth proportional to 586,673.64, 809,506.80 and 360,392.04 is: 497,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,673.64 : 809,506.80 = 360,392.04 : x
  2. Step 2: Convert to fraction form
    586,673.64/809,506.80 = 360,392.04/x
  3. Step 3: Cross multiply
    586,673.64x = 809,506.80 × 360,392.04
  4. Step 4: Simplify right side
    586,673.64x = 291,739,807,045.87
  5. Step 5: Solve for x
    x = 291,739,807,045.87/586,673.64
  6. Step 6: Final answer
    x = 497,277.85

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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.