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Finding the Fourth Proportional to 584,709.47, 877,064.22 and 141,477.47

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Solution

The fourth proportional to 584,709.47, 877,064.22 and 141,477.47 is: 212,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,709.47 : 877,064.22 = 141,477.47 : x
  2. Step 2: Convert to fraction form
    584,709.47/877,064.22 = 141,477.47/x
  3. Step 3: Cross multiply
    584,709.47x = 877,064.22 × 141,477.47
  4. Step 4: Simplify right side
    584,709.47x = 124,084,825,776.79
  5. Step 5: Solve for x
    x = 124,084,825,776.79/584,709.47
  6. Step 6: Final answer
    x = 212,216.21

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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.