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Finding the Fourth Proportional to 649,751.40, 973,331.10 and 571,818.60

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Solution

The fourth proportional to 649,751.40, 973,331.10 and 571,818.60 is: 856,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,751.40 : 973,331.10 = 571,818.60 : x
  2. Step 2: Convert to fraction form
    649,751.40/973,331.10 = 571,818.60/x
  3. Step 3: Cross multiply
    649,751.40x = 973,331.10 × 571,818.60
  4. Step 4: Simplify right side
    649,751.40x = 556,568,826,938.46
  5. Step 5: Solve for x
    x = 556,568,826,938.46/649,751.40
  6. Step 6: Final answer
    x = 856,587.35

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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.