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Finding the Fourth Proportional to 553,501.70, 830,252.55 and 543,004.10

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Solution

The fourth proportional to 553,501.70, 830,252.55 and 543,004.10 is: 814,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,501.70 : 830,252.55 = 543,004.10 : x
  2. Step 2: Convert to fraction form
    553,501.70/830,252.55 = 543,004.10/x
  3. Step 3: Cross multiply
    553,501.70x = 830,252.55 × 543,004.10
  4. Step 4: Simplify right side
    553,501.70x = 450,830,538,685.46
  5. Step 5: Solve for x
    x = 450,830,538,685.46/553,501.70
  6. Step 6: Final answer
    x = 814,506.15

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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.