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Finding the Fourth Proportional to 346,101, 477,619.38 and 187,125

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Solution

The fourth proportional to 346,101, 477,619.38 and 187,125 is: 258,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,101 : 477,619.38 = 187,125 : x
  2. Step 2: Convert to fraction form
    346,101/477,619.38 = 187,125/x
  3. Step 3: Cross multiply
    346,101x = 477,619.38 × 187,125
  4. Step 4: Simplify right side
    346,101x = 89,374,526,482.50
  5. Step 5: Solve for x
    x = 89,374,526,482.50/346,101
  6. Step 6: Final answer
    x = 258,232.50

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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.