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Finding the Fourth Proportional to 593,143.40, 889,715.10 and 587,613.80

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Solution

The fourth proportional to 593,143.40, 889,715.10 and 587,613.80 is: 881,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,143.40 : 889,715.10 = 587,613.80 : x
  2. Step 2: Convert to fraction form
    593,143.40/889,715.10 = 587,613.80/x
  3. Step 3: Cross multiply
    593,143.40x = 889,715.10 × 587,613.80
  4. Step 4: Simplify right side
    593,143.40x = 522,808,870,828.38
  5. Step 5: Solve for x
    x = 522,808,870,828.38/593,143.40
  6. Step 6: Final answer
    x = 881,420.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.