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Finding the Fourth Proportional to 539,075.40, 808,685.10 and 184,000.20

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Solution

The fourth proportional to 539,075.40, 808,685.10 and 184,000.20 is: 276,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,075.40 : 808,685.10 = 184,000.20 : x
  2. Step 2: Convert to fraction form
    539,075.40/808,685.10 = 184,000.20/x
  3. Step 3: Cross multiply
    539,075.40x = 808,685.10 × 184,000.20
  4. Step 4: Simplify right side
    539,075.40x = 148,798,220,137.02
  5. Step 5: Solve for x
    x = 148,798,220,137.02/539,075.40
  6. Step 6: Final answer
    x = 276,024.88

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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.