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Finding the Fourth Proportional to 836,155.86, 1,154,373.88 and 550,506.32

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Solution

The fourth proportional to 836,155.86, 1,154,373.88 and 550,506.32 is: 760,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,155.86 : 1,154,373.88 = 550,506.32 : x
  2. Step 2: Convert to fraction form
    836,155.86/1,154,373.88 = 550,506.32/x
  3. Step 3: Cross multiply
    836,155.86x = 1,154,373.88 × 550,506.32
  4. Step 4: Simplify right side
    836,155.86x = 635,490,116,582.92
  5. Step 5: Solve for x
    x = 635,490,116,582.92/836,155.86
  6. Step 6: Final answer
    x = 760,013.95

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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.