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Finding the Fourth Proportional to 610,437.30, 915,641.55 and 167,205.30

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Solution

The fourth proportional to 610,437.30, 915,641.55 and 167,205.30 is: 250,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,437.30 : 915,641.55 = 167,205.30 : x
  2. Step 2: Convert to fraction form
    610,437.30/915,641.55 = 167,205.30/x
  3. Step 3: Cross multiply
    610,437.30x = 915,641.55 × 167,205.30
  4. Step 4: Simplify right side
    610,437.30x = 153,100,120,060.22
  5. Step 5: Solve for x
    x = 153,100,120,060.22/610,437.30
  6. Step 6: Final answer
    x = 250,804.01

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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.