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Finding the Fourth Proportional to 602,335.59, 831,223.08 and 347,686.79

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Solution

The fourth proportional to 602,335.59, 831,223.08 and 347,686.79 is: 479,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,335.59 : 831,223.08 = 347,686.79 : x
  2. Step 2: Convert to fraction form
    602,335.59/831,223.08 = 347,686.79/x
  3. Step 3: Cross multiply
    602,335.59x = 831,223.08 × 347,686.79
  4. Step 4: Simplify right side
    602,335.59x = 289,005,280,303.00
  5. Step 5: Solve for x
    x = 289,005,280,303.00/602,335.59
  6. Step 6: Final answer
    x = 479,807.74

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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.