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Finding the Fourth Proportional to 704,915.90, 973,289.47 and 433,347.87

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Solution

The fourth proportional to 704,915.90, 973,289.47 and 433,347.87 is: 598,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,915.90 : 973,289.47 = 433,347.87 : x
  2. Step 2: Convert to fraction form
    704,915.90/973,289.47 = 433,347.87/x
  3. Step 3: Cross multiply
    704,915.90x = 973,289.47 × 433,347.87
  4. Step 4: Simplify right side
    704,915.90x = 421,772,922,096.92
  5. Step 5: Solve for x
    x = 421,772,922,096.92/704,915.90
  6. Step 6: Final answer
    x = 598,330.84

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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.