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Finding the Fourth Proportional to 904,662.71, 1,353,602.31 and 538,585.31

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Solution

The fourth proportional to 904,662.71, 1,353,602.31 and 538,585.31 is: 805,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,662.71 : 1,353,602.31 = 538,585.31 : x
  2. Step 2: Convert to fraction form
    904,662.71/1,353,602.31 = 538,585.31/x
  3. Step 3: Cross multiply
    904,662.71x = 1,353,602.31 × 538,585.31
  4. Step 4: Simplify right side
    904,662.71x = 729,030,312,980.06
  5. Step 5: Solve for x
    x = 729,030,312,980.06/904,662.71
  6. Step 6: Final answer
    x = 805,858.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.