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Finding the Fourth Proportional to 417,598.95, 576,280.35 and 245,536.32

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Solution

The fourth proportional to 417,598.95, 576,280.35 and 245,536.32 is: 338,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,598.95 : 576,280.35 = 245,536.32 : x
  2. Step 2: Convert to fraction form
    417,598.95/576,280.35 = 245,536.32/x
  3. Step 3: Cross multiply
    417,598.95x = 576,280.35 × 245,536.32
  4. Step 4: Simplify right side
    417,598.95x = 141,497,756,427.31
  5. Step 5: Solve for x
    x = 141,497,756,427.31/417,598.95
  6. Step 6: Final answer
    x = 338,836.48

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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.