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Finding the Fourth Proportional to 707,655.96, 977,259.28 and 605,089.28

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Solution

The fourth proportional to 707,655.96, 977,259.28 and 605,089.28 is: 835,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,655.96 : 977,259.28 = 605,089.28 : x
  2. Step 2: Convert to fraction form
    707,655.96/977,259.28 = 605,089.28/x
  3. Step 3: Cross multiply
    707,655.96x = 977,259.28 × 605,089.28
  4. Step 4: Simplify right side
    707,655.96x = 591,329,114,108.52
  5. Step 5: Solve for x
    x = 591,329,114,108.52/707,655.96
  6. Step 6: Final answer
    x = 835,616.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.