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Finding the Fourth Proportional to 624,421.40, 936,632.10 and 466,957.40

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Solution

The fourth proportional to 624,421.40, 936,632.10 and 466,957.40 is: 700,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,421.40 : 936,632.10 = 466,957.40 : x
  2. Step 2: Convert to fraction form
    624,421.40/936,632.10 = 466,957.40/x
  3. Step 3: Cross multiply
    624,421.40x = 936,632.10 × 466,957.40
  4. Step 4: Simplify right side
    624,421.40x = 437,367,290,172.54
  5. Step 5: Solve for x
    x = 437,367,290,172.54/624,421.40
  6. Step 6: Final answer
    x = 700,436.10

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Double scale
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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.