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Finding the Fourth Proportional to 584,052.15, 806,164.35 and 342,387.03

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Solution

The fourth proportional to 584,052.15, 806,164.35 and 342,387.03 is: 472,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,052.15 : 806,164.35 = 342,387.03 : x
  2. Step 2: Convert to fraction form
    584,052.15/806,164.35 = 342,387.03/x
  3. Step 3: Cross multiply
    584,052.15x = 806,164.35 × 342,387.03
  4. Step 4: Simplify right side
    584,052.15x = 276,020,217,488.38
  5. Step 5: Solve for x
    x = 276,020,217,488.38/584,052.15
  6. Step 6: Final answer
    x = 472,595.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.