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Finding the Fourth Proportional to 417,066.71, 575,545.95 and 235,772.64

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Solution

The fourth proportional to 417,066.71, 575,545.95 and 235,772.64 is: 325,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,066.71 : 575,545.95 = 235,772.64 : x
  2. Step 2: Convert to fraction form
    417,066.71/575,545.95 = 235,772.64/x
  3. Step 3: Cross multiply
    417,066.71x = 575,545.95 × 235,772.64
  4. Step 4: Simplify right side
    417,066.71x = 135,697,988,072.81
  5. Step 5: Solve for x
    x = 135,697,988,072.81/417,066.71
  6. Step 6: Final answer
    x = 325,362.79

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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.