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Finding the Fourth Proportional to 506,746.07, 699,309.64 and 277,303.40

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Solution

The fourth proportional to 506,746.07, 699,309.64 and 277,303.40 is: 382,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,746.07 : 699,309.64 = 277,303.40 : x
  2. Step 2: Convert to fraction form
    506,746.07/699,309.64 = 277,303.40/x
  3. Step 3: Cross multiply
    506,746.07x = 699,309.64 × 277,303.40
  4. Step 4: Simplify right side
    506,746.07x = 193,920,940,824.78
  5. Step 5: Solve for x
    x = 193,920,940,824.78/506,746.07
  6. Step 6: Final answer
    x = 382,678.73

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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.