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Finding the Fourth Proportional to 593,143.90, 889,715.85 and 369,195.10

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Solution

The fourth proportional to 593,143.90, 889,715.85 and 369,195.10 is: 553,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,143.90 : 889,715.85 = 369,195.10 : x
  2. Step 2: Convert to fraction form
    593,143.90/889,715.85 = 369,195.10/x
  3. Step 3: Cross multiply
    593,143.90x = 889,715.85 × 369,195.10
  4. Step 4: Simplify right side
    593,143.90x = 328,478,732,212.34
  5. Step 5: Solve for x
    x = 328,478,732,212.34/593,143.90
  6. Step 6: Final answer
    x = 553,792.65

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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.