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Finding the Fourth Proportional to 537,240.30, 805,048.52 and 359,429

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Solution

The fourth proportional to 537,240.30, 805,048.52 and 359,429 is: 538,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,240.30 : 805,048.52 = 359,429 : x
  2. Step 2: Convert to fraction form
    537,240.30/805,048.52 = 359,429/x
  3. Step 3: Cross multiply
    537,240.30x = 805,048.52 × 359,429
  4. Step 4: Simplify right side
    537,240.30x = 289,357,784,495.08
  5. Step 5: Solve for x
    x = 289,357,784,495.08/537,240.30
  6. Step 6: Final answer
    x = 538,600.30

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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.