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Finding the Fourth Proportional to 517,606.08, 714,307.20 and 291,251.52

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Solution

The fourth proportional to 517,606.08, 714,307.20 and 291,251.52 is: 401,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,606.08 : 714,307.20 = 291,251.52 : x
  2. Step 2: Convert to fraction form
    517,606.08/714,307.20 = 291,251.52/x
  3. Step 3: Cross multiply
    517,606.08x = 714,307.20 × 291,251.52
  4. Step 4: Simplify right side
    517,606.08x = 208,043,057,746.94
  5. Step 5: Solve for x
    x = 208,043,057,746.94/517,606.08
  6. Step 6: Final answer
    x = 401,933.18

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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.