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Finding the Fourth Proportional to 581,644.40, 872,466.60 and 546,623.60

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Solution

The fourth proportional to 581,644.40, 872,466.60 and 546,623.60 is: 819,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,644.40 : 872,466.60 = 546,623.60 : x
  2. Step 2: Convert to fraction form
    581,644.40/872,466.60 = 546,623.60/x
  3. Step 3: Cross multiply
    581,644.40x = 872,466.60 × 546,623.60
  4. Step 4: Simplify right side
    581,644.40x = 476,910,833,771.76
  5. Step 5: Solve for x
    x = 476,910,833,771.76/581,644.40
  6. Step 6: Final answer
    x = 819,935.40

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Double scale
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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.