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Finding the Fourth Proportional to 460,030.80, 690,046.20 and 348,056.40

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Solution

The fourth proportional to 460,030.80, 690,046.20 and 348,056.40 is: 522,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,030.80 : 690,046.20 = 348,056.40 : x
  2. Step 2: Convert to fraction form
    460,030.80/690,046.20 = 348,056.40/x
  3. Step 3: Cross multiply
    460,030.80x = 690,046.20 × 348,056.40
  4. Step 4: Simplify right side
    460,030.80x = 240,174,996,205.68
  5. Step 5: Solve for x
    x = 240,174,996,205.68/460,030.80
  6. Step 6: Final answer
    x = 522,084.60

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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.