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Finding the Fourth Proportional to 602,507.74, 831,468.88 and 330,570.70

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Solution

The fourth proportional to 602,507.74, 831,468.88 and 330,570.70 is: 456,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,507.74 : 831,468.88 = 330,570.70 : x
  2. Step 2: Convert to fraction form
    602,507.74/831,468.88 = 330,570.70/x
  3. Step 3: Cross multiply
    602,507.74x = 831,468.88 × 330,570.70
  4. Step 4: Simplify right side
    602,507.74x = 274,859,249,689.82
  5. Step 5: Solve for x
    x = 274,859,249,689.82/602,507.74
  6. Step 6: Final answer
    x = 456,192.06

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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.