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Finding the Fourth Proportional to 358,762, 495,091.58 and 207,946.48

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Solution

The fourth proportional to 358,762, 495,091.58 and 207,946.48 is: 286,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,762 : 495,091.58 = 207,946.48 : x
  2. Step 2: Convert to fraction form
    358,762/495,091.58 = 207,946.48/x
  3. Step 3: Cross multiply
    358,762x = 495,091.58 × 207,946.48
  4. Step 4: Simplify right side
    358,762x = 102,952,551,338.64
  5. Step 5: Solve for x
    x = 102,952,551,338.64/358,762
  6. Step 6: Final answer
    x = 286,966.15

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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.