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Finding the Fourth Proportional to 537,239.30, 805,047.02 and 359,428

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Solution

The fourth proportional to 537,239.30, 805,047.02 and 359,428 is: 538,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,239.30 : 805,047.02 = 359,428 : x
  2. Step 2: Convert to fraction form
    537,239.30/805,047.02 = 359,428/x
  3. Step 3: Cross multiply
    537,239.30x = 805,047.02 × 359,428
  4. Step 4: Simplify right side
    537,239.30x = 289,356,440,304.56
  5. Step 5: Solve for x
    x = 289,356,440,304.56/537,239.30
  6. Step 6: Final answer
    x = 538,598.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.