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Finding the Fourth Proportional to 577,907.80, 866,861.70 and 507,923.80

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Solution

The fourth proportional to 577,907.80, 866,861.70 and 507,923.80 is: 761,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,907.80 : 866,861.70 = 507,923.80 : x
  2. Step 2: Convert to fraction form
    577,907.80/866,861.70 = 507,923.80/x
  3. Step 3: Cross multiply
    577,907.80x = 866,861.70 × 507,923.80
  4. Step 4: Simplify right side
    577,907.80x = 440,299,688,738.46
  5. Step 5: Solve for x
    x = 440,299,688,738.46/577,907.80
  6. Step 6: Final answer
    x = 761,885.70

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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.