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Finding the Fourth Proportional to 568,957.04, 853,435.56 and 390,924.32

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Solution

The fourth proportional to 568,957.04, 853,435.56 and 390,924.32 is: 586,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,957.04 : 853,435.56 = 390,924.32 : x
  2. Step 2: Convert to fraction form
    568,957.04/853,435.56 = 390,924.32/x
  3. Step 3: Cross multiply
    568,957.04x = 853,435.56 × 390,924.32
  4. Step 4: Simplify right side
    568,957.04x = 333,628,715,956.82
  5. Step 5: Solve for x
    x = 333,628,715,956.82/568,957.04
  6. Step 6: Final answer
    x = 586,386.48

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Double scale
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Similar ratio
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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.