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Finding the Fourth Proportional to 310,059.95, 427,907.54 and 174,102.93

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Solution

The fourth proportional to 310,059.95, 427,907.54 and 174,102.93 is: 240,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,059.95 : 427,907.54 = 174,102.93 : x
  2. Step 2: Convert to fraction form
    310,059.95/427,907.54 = 174,102.93/x
  3. Step 3: Cross multiply
    310,059.95x = 427,907.54 × 174,102.93
  4. Step 4: Simplify right side
    310,059.95x = 74,499,956,918.35
  5. Step 5: Solve for x
    x = 74,499,956,918.35/310,059.95
  6. Step 6: Final answer
    x = 240,275.98

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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.