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Finding the Fourth Proportional to 484,295.10, 726,442.65 and 307,002.30

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Solution

The fourth proportional to 484,295.10, 726,442.65 and 307,002.30 is: 460,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,295.10 : 726,442.65 = 307,002.30 : x
  2. Step 2: Convert to fraction form
    484,295.10/726,442.65 = 307,002.30/x
  3. Step 3: Cross multiply
    484,295.10x = 726,442.65 × 307,002.30
  4. Step 4: Simplify right side
    484,295.10x = 223,019,564,368.10
  5. Step 5: Solve for x
    x = 223,019,564,368.10/484,295.10
  6. Step 6: Final answer
    x = 460,503.45

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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.