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Finding the Fourth Proportional to 602,554.02, 831,598.29 and 347,904.78

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Solution

The fourth proportional to 602,554.02, 831,598.29 and 347,904.78 is: 480,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,554.02 : 831,598.29 = 347,904.78 : x
  2. Step 2: Convert to fraction form
    602,554.02/831,598.29 = 347,904.78/x
  3. Step 3: Cross multiply
    602,554.02x = 831,598.29 × 347,904.78
  4. Step 4: Simplify right side
    602,554.02x = 289,317,020,130.83
  5. Step 5: Solve for x
    x = 289,317,020,130.83/602,554.02
  6. Step 6: Final answer
    x = 480,151.17

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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.