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Finding the Fourth Proportional to 473,668.80, 710,503.20 and 434,961.60

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Solution

The fourth proportional to 473,668.80, 710,503.20 and 434,961.60 is: 652,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,668.80 : 710,503.20 = 434,961.60 : x
  2. Step 2: Convert to fraction form
    473,668.80/710,503.20 = 434,961.60/x
  3. Step 3: Cross multiply
    473,668.80x = 710,503.20 × 434,961.60
  4. Step 4: Simplify right side
    473,668.80x = 309,041,608,677.12
  5. Step 5: Solve for x
    x = 309,041,608,677.12/473,668.80
  6. Step 6: Final answer
    x = 652,442.40

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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.