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Finding the Fourth Proportional to 900,762.51, 1,241,623.04 and 709,472.91

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Solution

The fourth proportional to 900,762.51, 1,241,623.04 and 709,472.91 is: 977,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,762.51 : 1,241,623.04 = 709,472.91 : x
  2. Step 2: Convert to fraction form
    900,762.51/1,241,623.04 = 709,472.91/x
  3. Step 3: Cross multiply
    900,762.51x = 1,241,623.04 × 709,472.91
  4. Step 4: Simplify right side
    900,762.51x = 880,897,907,764.48
  5. Step 5: Solve for x
    x = 880,897,907,764.48/900,762.51
  6. Step 6: Final answer
    x = 977,946.90

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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.