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Finding the Fourth Proportional to 614,901.40, 922,740.90 and 362,181.40

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Solution

The fourth proportional to 614,901.40, 922,740.90 and 362,181.40 is: 543,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,901.40 : 922,740.90 = 362,181.40 : x
  2. Step 2: Convert to fraction form
    614,901.40/922,740.90 = 362,181.40/x
  3. Step 3: Cross multiply
    614,901.40x = 922,740.90 × 362,181.40
  4. Step 4: Simplify right side
    614,901.40x = 334,199,590,999.26
  5. Step 5: Solve for x
    x = 334,199,590,999.26/614,901.40
  6. Step 6: Final answer
    x = 543,501.11

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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.