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Finding the Fourth Proportional to 607,206.96, 909,592.20 and 557,602.56

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Solution

The fourth proportional to 607,206.96, 909,592.20 and 557,602.56 is: 835,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,206.96 : 909,592.20 = 557,602.56 : x
  2. Step 2: Convert to fraction form
    607,206.96/909,592.20 = 557,602.56/x
  3. Step 3: Cross multiply
    607,206.96x = 909,592.20 × 557,602.56
  4. Step 4: Simplify right side
    607,206.96x = 507,190,939,276.03
  5. Step 5: Solve for x
    x = 507,190,939,276.03/607,206.96
  6. Step 6: Final answer
    x = 835,285.12

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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.