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Finding the Fourth Proportional to 514,689.36, 767,432.59 and 500,548.71

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Solution

The fourth proportional to 514,689.36, 767,432.59 and 500,548.71 is: 746,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,689.36 : 767,432.59 = 500,548.71 : x
  2. Step 2: Convert to fraction form
    514,689.36/767,432.59 = 500,548.71/x
  3. Step 3: Cross multiply
    514,689.36x = 767,432.59 × 500,548.71
  4. Step 4: Simplify right side
    514,689.36x = 384,137,390,433.72
  5. Step 5: Solve for x
    x = 384,137,390,433.72/514,689.36
  6. Step 6: Final answer
    x = 746,348.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.