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Finding the Fourth Proportional to 634,416.23, 875,492.64 and 362,568.49

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Solution

The fourth proportional to 634,416.23, 875,492.64 and 362,568.49 is: 500,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,416.23 : 875,492.64 = 362,568.49 : x
  2. Step 2: Convert to fraction form
    634,416.23/875,492.64 = 362,568.49/x
  3. Step 3: Cross multiply
    634,416.23x = 875,492.64 × 362,568.49
  4. Step 4: Simplify right side
    634,416.23x = 317,426,042,302.18
  5. Step 5: Solve for x
    x = 317,426,042,302.18/634,416.23
  6. Step 6: Final answer
    x = 500,343.51

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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.