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Finding the Fourth Proportional to 570,501.71, 787,313.57 and 325,526.36

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Solution

The fourth proportional to 570,501.71, 787,313.57 and 325,526.36 is: 449,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,501.71 : 787,313.57 = 325,526.36 : x
  2. Step 2: Convert to fraction form
    570,501.71/787,313.57 = 325,526.36/x
  3. Step 3: Cross multiply
    570,501.71x = 787,313.57 × 325,526.36
  4. Step 4: Simplify right side
    570,501.71x = 256,291,317,497.95
  5. Step 5: Solve for x
    x = 256,291,317,497.95/570,501.71
  6. Step 6: Final answer
    x = 449,238.47

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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.