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Finding the Fourth Proportional to 584,181.60, 874,328.40 and 423,801.60

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Solution

The fourth proportional to 584,181.60, 874,328.40 and 423,801.60 is: 634,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,181.60 : 874,328.40 = 423,801.60 : x
  2. Step 2: Convert to fraction form
    584,181.60/874,328.40 = 423,801.60/x
  3. Step 3: Cross multiply
    584,181.60x = 874,328.40 × 423,801.60
  4. Step 4: Simplify right side
    584,181.60x = 370,541,774,845.44
  5. Step 5: Solve for x
    x = 370,541,774,845.44/584,181.60
  6. Step 6: Final answer
    x = 634,292.10

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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.