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Finding the Fourth Proportional to 312,000.01, 468,070.02 and 98,780.67

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Solution

The fourth proportional to 312,000.01, 468,070.02 and 98,780.67 is: 148,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,000.01 : 468,070.02 = 98,780.67 : x
  2. Step 2: Convert to fraction form
    312,000.01/468,070.02 = 98,780.67/x
  3. Step 3: Cross multiply
    312,000.01x = 468,070.02 × 98,780.67
  4. Step 4: Simplify right side
    312,000.01x = 46,236,270,182.51
  5. Step 5: Solve for x
    x = 46,236,270,182.51/312,000.01
  6. Step 6: Final answer
    x = 148,193.17

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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.