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Finding the Fourth Proportional to 583,687.04, 805,613.36 and 368,690.36

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Solution

The fourth proportional to 583,687.04, 805,613.36 and 368,690.36 is: 508,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,687.04 : 805,613.36 = 368,690.36 : x
  2. Step 2: Convert to fraction form
    583,687.04/805,613.36 = 368,690.36/x
  3. Step 3: Cross multiply
    583,687.04x = 805,613.36 × 368,690.36
  4. Step 4: Simplify right side
    583,687.04x = 297,021,879,719.21
  5. Step 5: Solve for x
    x = 297,021,879,719.21/583,687.04
  6. Step 6: Final answer
    x = 508,871.81

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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.