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Finding the Fourth Proportional to 977,606.19, 1,466,520.03 and 877,149.18

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Solution

The fourth proportional to 977,606.19, 1,466,520.03 and 877,149.18 is: 1,315,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,606.19 : 1,466,520.03 = 877,149.18 : x
  2. Step 2: Convert to fraction form
    977,606.19/1,466,520.03 = 877,149.18/x
  3. Step 3: Cross multiply
    977,606.19x = 1,466,520.03 × 877,149.18
  4. Step 4: Simplify right side
    977,606.19x = 1,286,356,841,768.08
  5. Step 5: Solve for x
    x = 1,286,356,841,768.08/977,606.19
  6. Step 6: Final answer
    x = 1,315,823.14

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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.