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Finding the Fourth Proportional to 631,924.40, 946,043.40 and 613,492.40

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Solution

The fourth proportional to 631,924.40, 946,043.40 and 613,492.40 is: 918,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,924.40 : 946,043.40 = 613,492.40 : x
  2. Step 2: Convert to fraction form
    631,924.40/946,043.40 = 613,492.40/x
  3. Step 3: Cross multiply
    631,924.40x = 946,043.40 × 613,492.40
  4. Step 4: Simplify right side
    631,924.40x = 580,390,435,970.16
  5. Step 5: Solve for x
    x = 580,390,435,970.16/631,924.40
  6. Step 6: Final answer
    x = 918,449.16

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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.