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Finding the Fourth Proportional to 934,040, 1,401,060 and 302,953.81

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Solution

The fourth proportional to 934,040, 1,401,060 and 302,953.81 is: 454,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,040 : 1,401,060 = 302,953.81 : x
  2. Step 2: Convert to fraction form
    934,040/1,401,060 = 302,953.81/x
  3. Step 3: Cross multiply
    934,040x = 1,401,060 × 302,953.81
  4. Step 4: Simplify right side
    934,040x = 424,456,465,038.60
  5. Step 5: Solve for x
    x = 424,456,465,038.60/934,040
  6. Step 6: Final answer
    x = 454,430.72

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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.