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Finding the Fourth Proportional to 633,075.71, 873,647.03 and 346,622.45

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Solution

The fourth proportional to 633,075.71, 873,647.03 and 346,622.45 is: 478,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,075.71 : 873,647.03 = 346,622.45 : x
  2. Step 2: Convert to fraction form
    633,075.71/873,647.03 = 346,622.45/x
  3. Step 3: Cross multiply
    633,075.71x = 873,647.03 × 346,622.45
  4. Step 4: Simplify right side
    633,075.71x = 302,825,670,472.15
  5. Step 5: Solve for x
    x = 302,825,670,472.15/633,075.71
  6. Step 6: Final answer
    x = 478,340.38

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1.5x scale

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.