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Finding the Fourth Proportional to 552,632.32, 762,601.32 and 310,925.08

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Solution

The fourth proportional to 552,632.32, 762,601.32 and 310,925.08 is: 429,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,632.32 : 762,601.32 = 310,925.08 : x
  2. Step 2: Convert to fraction form
    552,632.32/762,601.32 = 310,925.08/x
  3. Step 3: Cross multiply
    552,632.32x = 762,601.32 × 310,925.08
  4. Step 4: Simplify right side
    552,632.32x = 237,111,876,429.11
  5. Step 5: Solve for x
    x = 237,111,876,429.11/552,632.32
  6. Step 6: Final answer
    x = 429,059.01

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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.