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Finding the Fourth Proportional to 675,561.64, 932,403.54 and 482,492.20

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Solution

The fourth proportional to 675,561.64, 932,403.54 and 482,492.20 is: 665,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,561.64 : 932,403.54 = 482,492.20 : x
  2. Step 2: Convert to fraction form
    675,561.64/932,403.54 = 482,492.20/x
  3. Step 3: Cross multiply
    675,561.64x = 932,403.54 × 482,492.20
  4. Step 4: Simplify right side
    675,561.64x = 449,877,435,302.39
  5. Step 5: Solve for x
    x = 449,877,435,302.39/675,561.64
  6. Step 6: Final answer
    x = 665,931.00

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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.