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Finding the Fourth Proportional to 482,187.60, 723,281.40 and 461,710.80

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Solution

The fourth proportional to 482,187.60, 723,281.40 and 461,710.80 is: 692,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,187.60 : 723,281.40 = 461,710.80 : x
  2. Step 2: Convert to fraction form
    482,187.60/723,281.40 = 461,710.80/x
  3. Step 3: Cross multiply
    482,187.60x = 723,281.40 × 461,710.80
  4. Step 4: Simplify right side
    482,187.60x = 333,946,833,819.12
  5. Step 5: Solve for x
    x = 333,946,833,819.12/482,187.60
  6. Step 6: Final answer
    x = 692,566.20

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Similar ratio
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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.