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Finding the Fourth Proportional to 586,048.40, 879,072.60 and 386,464.40

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Solution

The fourth proportional to 586,048.40, 879,072.60 and 386,464.40 is: 579,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,048.40 : 879,072.60 = 386,464.40 : x
  2. Step 2: Convert to fraction form
    586,048.40/879,072.60 = 386,464.40/x
  3. Step 3: Cross multiply
    586,048.40x = 879,072.60 × 386,464.40
  4. Step 4: Simplify right side
    586,048.40x = 339,730,264,915.44
  5. Step 5: Solve for x
    x = 339,730,264,915.44/586,048.40
  6. Step 6: Final answer
    x = 579,696.60

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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.