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Finding the Fourth Proportional to 884,630.70, 1,323,009.45 and 742,913.10

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Solution

The fourth proportional to 884,630.70, 1,323,009.45 and 742,913.10 is: 1,111,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,630.70 : 1,323,009.45 = 742,913.10 : x
  2. Step 2: Convert to fraction form
    884,630.70/1,323,009.45 = 742,913.10/x
  3. Step 3: Cross multiply
    884,630.70x = 1,323,009.45 × 742,913.10
  4. Step 4: Simplify right side
    884,630.70x = 982,881,051,828.80
  5. Step 5: Solve for x
    x = 982,881,051,828.80/884,630.70
  6. Step 6: Final answer
    x = 1,111,063.69

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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.