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Finding the Fourth Proportional to 899,233.32, 1,342,290 and 785,730.28

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Solution

The fourth proportional to 899,233.32, 1,342,290 and 785,730.28 is: 1,172,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,233.32 : 1,342,290 = 785,730.28 : x
  2. Step 2: Convert to fraction form
    899,233.32/1,342,290 = 785,730.28/x
  3. Step 3: Cross multiply
    899,233.32x = 1,342,290 × 785,730.28
  4. Step 4: Simplify right side
    899,233.32x = 1,054,677,897,541.20
  5. Step 5: Solve for x
    x = 1,054,677,897,541.20/899,233.32
  6. Step 6: Final answer
    x = 1,172,863.45

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.