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Finding the Fourth Proportional to 507,228.32, 699,973.98 and 292,366.91

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Solution

The fourth proportional to 507,228.32, 699,973.98 and 292,366.91 is: 403,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,228.32 : 699,973.98 = 292,366.91 : x
  2. Step 2: Convert to fraction form
    507,228.32/699,973.98 = 292,366.91/x
  3. Step 3: Cross multiply
    507,228.32x = 699,973.98 × 292,366.91
  4. Step 4: Simplify right side
    507,228.32x = 204,649,229,613.00
  5. Step 5: Solve for x
    x = 204,649,229,613.00/507,228.32
  6. Step 6: Final answer
    x = 403,465.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.