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Finding the Fourth Proportional to 539,075.80, 808,613.70 and 184,036.60

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Solution

The fourth proportional to 539,075.80, 808,613.70 and 184,036.60 is: 276,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,075.80 : 808,613.70 = 184,036.60 : x
  2. Step 2: Convert to fraction form
    539,075.80/808,613.70 = 184,036.60/x
  3. Step 3: Cross multiply
    539,075.80x = 808,613.70 × 184,036.60
  4. Step 4: Simplify right side
    539,075.80x = 148,814,516,061.42
  5. Step 5: Solve for x
    x = 148,814,516,061.42/539,075.80
  6. Step 6: Final answer
    x = 276,054.90

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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.