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Finding the Fourth Proportional to 567,840.44, 850,710.90 and 286,686.20

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Solution

The fourth proportional to 567,840.44, 850,710.90 and 286,686.20 is: 429,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,840.44 : 850,710.90 = 286,686.20 : x
  2. Step 2: Convert to fraction form
    567,840.44/850,710.90 = 286,686.20/x
  3. Step 3: Cross multiply
    567,840.44x = 850,710.90 × 286,686.20
  4. Step 4: Simplify right side
    567,840.44x = 243,887,075,219.58
  5. Step 5: Solve for x
    x = 243,887,075,219.58/567,840.44
  6. Step 6: Final answer
    x = 429,499.31

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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.