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Finding the Fourth Proportional to 417,127.71, 575,613.18 and 235,828.14

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Solution

The fourth proportional to 417,127.71, 575,613.18 and 235,828.14 is: 325,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,127.71 : 575,613.18 = 235,828.14 : x
  2. Step 2: Convert to fraction form
    417,127.71/575,613.18 = 235,828.14/x
  3. Step 3: Cross multiply
    417,127.71x = 575,613.18 × 235,828.14
  4. Step 4: Simplify right side
    417,127.71x = 135,745,785,598.89
  5. Step 5: Solve for x
    x = 135,745,785,598.89/417,127.71
  6. Step 6: Final answer
    x = 325,429.80

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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.