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Finding the Fourth Proportional to 437,484.87, 658,590.77 and 393,492.22

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Solution

The fourth proportional to 437,484.87, 658,590.77 and 393,492.22 is: 592,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,484.87 : 658,590.77 = 393,492.22 : x
  2. Step 2: Convert to fraction form
    437,484.87/658,590.77 = 393,492.22/x
  3. Step 3: Cross multiply
    437,484.87x = 658,590.77 × 393,492.22
  4. Step 4: Simplify right side
    437,484.87x = 259,150,343,496.06
  5. Step 5: Solve for x
    x = 259,150,343,496.06/437,484.87
  6. Step 6: Final answer
    x = 592,364.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.