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Finding the Fourth Proportional to 544,598.40, 816,897.60 and 345,800.10

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Solution

The fourth proportional to 544,598.40, 816,897.60 and 345,800.10 is: 518,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,598.40 : 816,897.60 = 345,800.10 : x
  2. Step 2: Convert to fraction form
    544,598.40/816,897.60 = 345,800.10/x
  3. Step 3: Cross multiply
    544,598.40x = 816,897.60 × 345,800.10
  4. Step 4: Simplify right side
    544,598.40x = 282,483,271,769.76
  5. Step 5: Solve for x
    x = 282,483,271,769.76/544,598.40
  6. Step 6: Final answer
    x = 518,700.15

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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.