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Finding the Fourth Proportional to 607,779.92, 838,731.72 and 335,866.16

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Solution

The fourth proportional to 607,779.92, 838,731.72 and 335,866.16 is: 463,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,779.92 : 838,731.72 = 335,866.16 : x
  2. Step 2: Convert to fraction form
    607,779.92/838,731.72 = 335,866.16/x
  3. Step 3: Cross multiply
    607,779.92x = 838,731.72 × 335,866.16
  4. Step 4: Simplify right side
    607,779.92x = 281,701,602,066.60
  5. Step 5: Solve for x
    x = 281,701,602,066.60/607,779.92
  6. Step 6: Final answer
    x = 463,492.78

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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.