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Finding the Fourth Proportional to 601,907.10, 830,665.68 and 357,037.07

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Solution

The fourth proportional to 601,907.10, 830,665.68 and 357,037.07 is: 492,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,907.10 : 830,665.68 = 357,037.07 : x
  2. Step 2: Convert to fraction form
    601,907.10/830,665.68 = 357,037.07/x
  3. Step 3: Cross multiply
    601,907.10x = 830,665.68 × 357,037.07
  4. Step 4: Simplify right side
    601,907.10x = 296,578,437,052.87
  5. Step 5: Solve for x
    x = 296,578,437,052.87/601,907.10
  6. Step 6: Final answer
    x = 492,731.25

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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.