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Finding the Fourth Proportional to 602,689.60, 831,656.58 and 357,632.04

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Solution

The fourth proportional to 602,689.60, 831,656.58 and 357,632.04 is: 493,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,689.60 : 831,656.58 = 357,632.04 : x
  2. Step 2: Convert to fraction form
    602,689.60/831,656.58 = 357,632.04/x
  3. Step 3: Cross multiply
    602,689.60x = 831,656.58 × 357,632.04
  4. Step 4: Simplify right side
    602,689.60x = 297,427,039,284.82
  5. Step 5: Solve for x
    x = 297,427,039,284.82/602,689.60
  6. Step 6: Final answer
    x = 493,499.54

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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.