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Finding the Fourth Proportional to 584,006.20, 876,009.30 and 511,689.40

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Solution

The fourth proportional to 584,006.20, 876,009.30 and 511,689.40 is: 767,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,006.20 : 876,009.30 = 511,689.40 : x
  2. Step 2: Convert to fraction form
    584,006.20/876,009.30 = 511,689.40/x
  3. Step 3: Cross multiply
    584,006.20x = 876,009.30 × 511,689.40
  4. Step 4: Simplify right side
    584,006.20x = 448,244,673,111.42
  5. Step 5: Solve for x
    x = 448,244,673,111.42/584,006.20
  6. Step 6: Final answer
    x = 767,534.10

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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.