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Finding the Fourth Proportional to 975,071.80, 1,462,607.70 and 887,980.60

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Solution

The fourth proportional to 975,071.80, 1,462,607.70 and 887,980.60 is: 1,331,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,071.80 : 1,462,607.70 = 887,980.60 : x
  2. Step 2: Convert to fraction form
    975,071.80/1,462,607.70 = 887,980.60/x
  3. Step 3: Cross multiply
    975,071.80x = 1,462,607.70 × 887,980.60
  4. Step 4: Simplify right side
    975,071.80x = 1,298,767,263,010.62
  5. Step 5: Solve for x
    x = 1,298,767,263,010.62/975,071.80
  6. Step 6: Final answer
    x = 1,331,970.90

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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.