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Finding the Fourth Proportional to 495,700.76, 684,071.22 and 269,346.28

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Solution

The fourth proportional to 495,700.76, 684,071.22 and 269,346.28 is: 371,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,700.76 : 684,071.22 = 269,346.28 : x
  2. Step 2: Convert to fraction form
    495,700.76/684,071.22 = 269,346.28/x
  3. Step 3: Cross multiply
    495,700.76x = 684,071.22 × 269,346.28
  4. Step 4: Simplify right side
    495,700.76x = 184,252,038,362.06
  5. Step 5: Solve for x
    x = 184,252,038,362.06/495,700.76
  6. Step 6: Final answer
    x = 371,700.13

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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.