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Finding the Fourth Proportional to 572,514.70, 858,772.05 and 333,038.20

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Solution

The fourth proportional to 572,514.70, 858,772.05 and 333,038.20 is: 499,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,514.70 : 858,772.05 = 333,038.20 : x
  2. Step 2: Convert to fraction form
    572,514.70/858,772.05 = 333,038.20/x
  3. Step 3: Cross multiply
    572,514.70x = 858,772.05 × 333,038.20
  4. Step 4: Simplify right side
    572,514.70x = 286,003,897,742.31
  5. Step 5: Solve for x
    x = 286,003,897,742.31/572,514.70
  6. Step 6: Final answer
    x = 499,557.30

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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.