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Finding the Fourth Proportional to 572,551.80, 858,827.70 and 543,683.40

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Solution

The fourth proportional to 572,551.80, 858,827.70 and 543,683.40 is: 815,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,551.80 : 858,827.70 = 543,683.40 : x
  2. Step 2: Convert to fraction form
    572,551.80/858,827.70 = 543,683.40/x
  3. Step 3: Cross multiply
    572,551.80x = 858,827.70 × 543,683.40
  4. Step 4: Simplify right side
    572,551.80x = 466,930,363,950.18
  5. Step 5: Solve for x
    x = 466,930,363,950.18/572,551.80
  6. Step 6: Final answer
    x = 815,525.10

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1.5x scale

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.