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Finding the Fourth Proportional to 660,046.13, 910,707.54 and 373,566.22

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Solution

The fourth proportional to 660,046.13, 910,707.54 and 373,566.22 is: 515,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,046.13 : 910,707.54 = 373,566.22 : x
  2. Step 2: Convert to fraction form
    660,046.13/910,707.54 = 373,566.22/x
  3. Step 3: Cross multiply
    660,046.13x = 910,707.54 × 373,566.22
  4. Step 4: Simplify right side
    660,046.13x = 340,209,568,689.76
  5. Step 5: Solve for x
    x = 340,209,568,689.76/660,046.13
  6. Step 6: Final answer
    x = 515,433.02

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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.