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Finding the Fourth Proportional to 536,465.70, 804,698.55 and 162,488.70

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Solution

The fourth proportional to 536,465.70, 804,698.55 and 162,488.70 is: 243,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,465.70 : 804,698.55 = 162,488.70 : x
  2. Step 2: Convert to fraction form
    536,465.70/804,698.55 = 162,488.70/x
  3. Step 3: Cross multiply
    536,465.70x = 804,698.55 × 162,488.70
  4. Step 4: Simplify right side
    536,465.70x = 130,754,421,281.39
  5. Step 5: Solve for x
    x = 130,754,421,281.39/536,465.70
  6. Step 6: Final answer
    x = 243,733.05

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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.