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Finding the Fourth Proportional to 584,075.80, 874,731.30 and 396,069.40

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Solution

The fourth proportional to 584,075.80, 874,731.30 and 396,069.40 is: 593,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,075.80 : 874,731.30 = 396,069.40 : x
  2. Step 2: Convert to fraction form
    584,075.80/874,731.30 = 396,069.40/x
  3. Step 3: Cross multiply
    584,075.80x = 874,731.30 × 396,069.40
  4. Step 4: Simplify right side
    584,075.80x = 346,454,301,152.22
  5. Step 5: Solve for x
    x = 346,454,301,152.22/584,075.80
  6. Step 6: Final answer
    x = 593,166.68

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1.5x scale

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.