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Finding the Fourth Proportional to 814,492.64, 1,124,660.22 and 508,925

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Solution

The fourth proportional to 814,492.64, 1,124,660.22 and 508,925 is: 702,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,492.64 : 1,124,660.22 = 508,925 : x
  2. Step 2: Convert to fraction form
    814,492.64/1,124,660.22 = 508,925/x
  3. Step 3: Cross multiply
    814,492.64x = 1,124,660.22 × 508,925
  4. Step 4: Simplify right side
    814,492.64x = 572,367,702,463.50
  5. Step 5: Solve for x
    x = 572,367,702,463.50/814,492.64
  6. Step 6: Final answer
    x = 702,729.13

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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.