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Finding the Fourth Proportional to 634,915.17, 875,933.50 and 362,837.10

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Solution

The fourth proportional to 634,915.17, 875,933.50 and 362,837.10 is: 500,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,915.17 : 875,933.50 = 362,837.10 : x
  2. Step 2: Convert to fraction form
    634,915.17/875,933.50 = 362,837.10/x
  3. Step 3: Cross multiply
    634,915.17x = 875,933.50 × 362,837.10
  4. Step 4: Simplify right side
    634,915.17x = 317,821,165,646.09
  5. Step 5: Solve for x
    x = 317,821,165,646.09/634,915.17
  6. Step 6: Final answer
    x = 500,572.65

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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.