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Finding the Fourth Proportional to 360,364.08, 497,345.68 and 209,461.04

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Solution

The fourth proportional to 360,364.08, 497,345.68 and 209,461.04 is: 289,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,364.08 : 497,345.68 = 209,461.04 : x
  2. Step 2: Convert to fraction form
    360,364.08/497,345.68 = 209,461.04/x
  3. Step 3: Cross multiply
    360,364.08x = 497,345.68 × 209,461.04
  4. Step 4: Simplify right side
    360,364.08x = 104,174,543,372.31
  5. Step 5: Solve for x
    x = 104,174,543,372.31/360,364.08
  6. Step 6: Final answer
    x = 289,081.37

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1.5x scale

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.