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Finding the Fourth Proportional to 360,420.40, 540,637.80 and 94,164.40

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Solution

The fourth proportional to 360,420.40, 540,637.80 and 94,164.40 is: 141,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,420.40 : 540,637.80 = 94,164.40 : x
  2. Step 2: Convert to fraction form
    360,420.40/540,637.80 = 94,164.40/x
  3. Step 3: Cross multiply
    360,420.40x = 540,637.80 × 94,164.40
  4. Step 4: Simplify right side
    360,420.40x = 50,908,834,054.32
  5. Step 5: Solve for x
    x = 50,908,834,054.32/360,420.40
  6. Step 6: Final answer
    x = 141,248.48

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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.