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Finding the Fourth Proportional to 604,395.81, 834,127.40 and 346,307.00

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Solution

The fourth proportional to 604,395.81, 834,127.40 and 346,307.00 is: 477,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,395.81 : 834,127.40 = 346,307.00 : x
  2. Step 2: Convert to fraction form
    604,395.81/834,127.40 = 346,307.00/x
  3. Step 3: Cross multiply
    604,395.81x = 834,127.40 × 346,307.00
  4. Step 4: Simplify right side
    604,395.81x = 288,864,154,206.93
  5. Step 5: Solve for x
    x = 288,864,154,206.93/604,395.81
  6. Step 6: Final answer
    x = 477,938.71

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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.