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Finding the Fourth Proportional to 402,149.40, 602,705.70 and 244,210.20

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Solution

The fourth proportional to 402,149.40, 602,705.70 and 244,210.20 is: 366,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,149.40 : 602,705.70 = 244,210.20 : x
  2. Step 2: Convert to fraction form
    402,149.40/602,705.70 = 244,210.20/x
  3. Step 3: Cross multiply
    402,149.40x = 602,705.70 × 244,210.20
  4. Step 4: Simplify right side
    402,149.40x = 147,186,879,538.14
  5. Step 5: Solve for x
    x = 147,186,879,538.14/402,149.40
  6. Step 6: Final answer
    x = 366,000.50

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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.