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Finding the Fourth Proportional to 616,075.88, 850,184.71 and 347,803.88

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Solution

The fourth proportional to 616,075.88, 850,184.71 and 347,803.88 is: 479,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,075.88 : 850,184.71 = 347,803.88 : x
  2. Step 2: Convert to fraction form
    616,075.88/850,184.71 = 347,803.88/x
  3. Step 3: Cross multiply
    616,075.88x = 850,184.71 × 347,803.88
  4. Step 4: Simplify right side
    616,075.88x = 295,697,535,734.24
  5. Step 5: Solve for x
    x = 295,697,535,734.24/616,075.88
  6. Step 6: Final answer
    x = 479,969.35

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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.