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Finding the Fourth Proportional to 650,036.57, 897,075 and 355,706.08

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Solution

The fourth proportional to 650,036.57, 897,075 and 355,706.08 is: 490,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,036.57 : 897,075 = 355,706.08 : x
  2. Step 2: Convert to fraction form
    650,036.57/897,075 = 355,706.08/x
  3. Step 3: Cross multiply
    650,036.57x = 897,075 × 355,706.08
  4. Step 4: Simplify right side
    650,036.57x = 319,095,034,519.36
  5. Step 5: Solve for x
    x = 319,095,034,519.36/650,036.57
  6. Step 6: Final answer
    x = 490,887.82

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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.