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Finding the Fourth Proportional to 633,075.46, 873,646.68 and 346,622.20

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Solution

The fourth proportional to 633,075.46, 873,646.68 and 346,622.20 is: 478,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,075.46 : 873,646.68 = 346,622.20 : x
  2. Step 2: Convert to fraction form
    633,075.46/873,646.68 = 346,622.20/x
  3. Step 3: Cross multiply
    633,075.46x = 873,646.68 × 346,622.20
  4. Step 4: Simplify right side
    633,075.46x = 302,825,334,244.30
  5. Step 5: Solve for x
    x = 302,825,334,244.30/633,075.46
  6. Step 6: Final answer
    x = 478,340.03

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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.