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Finding the Fourth Proportional to 495,881.40, 743,822.10 and 158,921.40

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Solution

The fourth proportional to 495,881.40, 743,822.10 and 158,921.40 is: 238,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,881.40 : 743,822.10 = 158,921.40 : x
  2. Step 2: Convert to fraction form
    495,881.40/743,822.10 = 158,921.40/x
  3. Step 3: Cross multiply
    495,881.40x = 743,822.10 × 158,921.40
  4. Step 4: Simplify right side
    495,881.40x = 118,209,249,482.94
  5. Step 5: Solve for x
    x = 118,209,249,482.94/495,881.40
  6. Step 6: Final answer
    x = 238,382.10

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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.