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Finding the Fourth Proportional to 427,870.32, 590,461.04 and 236,896.01

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Solution

The fourth proportional to 427,870.32, 590,461.04 and 236,896.01 is: 326,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,870.32 : 590,461.04 = 236,896.01 : x
  2. Step 2: Convert to fraction form
    427,870.32/590,461.04 = 236,896.01/x
  3. Step 3: Cross multiply
    427,870.32x = 590,461.04 × 236,896.01
  4. Step 4: Simplify right side
    427,870.32x = 139,877,860,299.67
  5. Step 5: Solve for x
    x = 139,877,860,299.67/427,870.32
  6. Step 6: Final answer
    x = 326,916.48

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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.