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Finding the Fourth Proportional to 1,264,459.04, 1,896,294 and 422,814.32

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Solution

The fourth proportional to 1,264,459.04, 1,896,294 and 422,814.32 is: 634,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,459.04 : 1,896,294 = 422,814.32 : x
  2. Step 2: Convert to fraction form
    1,264,459.04/1,896,294 = 422,814.32/x
  3. Step 3: Cross multiply
    1,264,459.04x = 1,896,294 × 422,814.32
  4. Step 4: Simplify right side
    1,264,459.04x = 801,780,258,130.08
  5. Step 5: Solve for x
    x = 801,780,258,130.08/1,264,459.04
  6. Step 6: Final answer
    x = 634,089.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.