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Finding the Fourth Proportional to 497,111.70, 745,667.55 and 497,111.70

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Solution

The fourth proportional to 497,111.70, 745,667.55 and 497,111.70 is: 745,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,111.70 : 745,667.55 = 497,111.70 : x
  2. Step 2: Convert to fraction form
    497,111.70/745,667.55 = 497,111.70/x
  3. Step 3: Cross multiply
    497,111.70x = 745,667.55 × 497,111.70
  4. Step 4: Simplify right side
    497,111.70x = 370,680,063,415.34
  5. Step 5: Solve for x
    x = 370,680,063,415.34/497,111.70
  6. Step 6: Final answer
    x = 745,667.55

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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.