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Finding the Fourth Proportional to 536,613.80, 804,920.70 and 528,740.60

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Solution

The fourth proportional to 536,613.80, 804,920.70 and 528,740.60 is: 793,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,613.80 : 804,920.70 = 528,740.60 : x
  2. Step 2: Convert to fraction form
    536,613.80/804,920.70 = 528,740.60/x
  3. Step 3: Cross multiply
    536,613.80x = 804,920.70 × 528,740.60
  4. Step 4: Simplify right side
    536,613.80x = 425,594,253,870.42
  5. Step 5: Solve for x
    x = 425,594,253,870.42/536,613.80
  6. Step 6: Final answer
    x = 793,110.90

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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.