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Finding the Fourth Proportional to 508,533.18, 762,925.52 and 359,066.31

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Solution

The fourth proportional to 508,533.18, 762,925.52 and 359,066.31 is: 538,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,533.18 : 762,925.52 = 359,066.31 : x
  2. Step 2: Convert to fraction form
    508,533.18/762,925.52 = 359,066.31/x
  3. Step 3: Cross multiply
    508,533.18x = 762,925.52 × 359,066.31
  4. Step 4: Simplify right side
    508,533.18x = 273,940,851,271.23
  5. Step 5: Solve for x
    x = 273,940,851,271.23/508,533.18
  6. Step 6: Final answer
    x = 538,688.25

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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.