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Finding the Fourth Proportional to 592,373.16, 816,624.72 and 422,312.04

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Solution

The fourth proportional to 592,373.16, 816,624.72 and 422,312.04 is: 582,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,373.16 : 816,624.72 = 422,312.04 : x
  2. Step 2: Convert to fraction form
    592,373.16/816,624.72 = 422,312.04/x
  3. Step 3: Cross multiply
    592,373.16x = 816,624.72 × 422,312.04
  4. Step 4: Simplify right side
    592,373.16x = 344,870,451,417.63
  5. Step 5: Solve for x
    x = 344,870,451,417.63/592,373.16
  6. Step 6: Final answer
    x = 582,184.47

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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.