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Finding the Fourth Proportional to 504,054.02, 695,695.29 and 289,339.22

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Solution

The fourth proportional to 504,054.02, 695,695.29 and 289,339.22 is: 399,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,054.02 : 695,695.29 = 289,339.22 : x
  2. Step 2: Convert to fraction form
    504,054.02/695,695.29 = 289,339.22/x
  3. Step 3: Cross multiply
    504,054.02x = 695,695.29 × 289,339.22
  4. Step 4: Simplify right side
    504,054.02x = 201,291,932,566.27
  5. Step 5: Solve for x
    x = 201,291,932,566.27/504,054.02
  6. Step 6: Final answer
    x = 399,345.95

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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.