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Finding the Fourth Proportional to 569,312.58, 785,692.11 and 314,658.30

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Solution

The fourth proportional to 569,312.58, 785,692.11 and 314,658.30 is: 434,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,312.58 : 785,692.11 = 314,658.30 : x
  2. Step 2: Convert to fraction form
    569,312.58/785,692.11 = 314,658.30/x
  3. Step 3: Cross multiply
    569,312.58x = 785,692.11 × 314,658.30
  4. Step 4: Simplify right side
    569,312.58x = 247,224,543,656.01
  5. Step 5: Solve for x
    x = 247,224,543,656.01/569,312.58
  6. Step 6: Final answer
    x = 434,250.98

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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.