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Finding the Fourth Proportional to 634,252, 875,294.22 and 347,783.08

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Solution

The fourth proportional to 634,252, 875,294.22 and 347,783.08 is: 479,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,252 : 875,294.22 = 347,783.08 : x
  2. Step 2: Convert to fraction form
    634,252/875,294.22 = 347,783.08/x
  3. Step 3: Cross multiply
    634,252x = 875,294.22 × 347,783.08
  4. Step 4: Simplify right side
    634,252x = 304,412,519,737.80
  5. Step 5: Solve for x
    x = 304,412,519,737.80/634,252
  6. Step 6: Final answer
    x = 479,955.16

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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.