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Finding the Fourth Proportional to 567,353.40, 851,030.10 and 286,834.20

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Solution

The fourth proportional to 567,353.40, 851,030.10 and 286,834.20 is: 430,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,353.40 : 851,030.10 = 286,834.20 : x
  2. Step 2: Convert to fraction form
    567,353.40/851,030.10 = 286,834.20/x
  3. Step 3: Cross multiply
    567,353.40x = 851,030.10 × 286,834.20
  4. Step 4: Simplify right side
    567,353.40x = 244,104,537,909.42
  5. Step 5: Solve for x
    x = 244,104,537,909.42/567,353.40
  6. Step 6: Final answer
    x = 430,251.30

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Double scale
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Similar ratio
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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.