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Finding the Fourth Proportional to 478,479,353.94, 717,719,031.32 and 114,973,709.94

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Solution

The fourth proportional to 478,479,353.94, 717,719,031.32 and 114,973,709.94 is: 172,460,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,479,353.94 : 717,719,031.32 = 114,973,709.94 : x
  2. Step 2: Convert to fraction form
    478,479,353.94/717,719,031.32 = 114,973,709.94/x
  3. Step 3: Cross multiply
    478,479,353.94x = 717,719,031.32 × 114,973,709.94
  4. Step 4: Simplify right side
    478,479,353.94x = 82,518,819,724,828,592
  5. Step 5: Solve for x
    x = 82,518,819,724,828,592/478,479,353.94
  6. Step 6: Final answer
    x = 172,460,565.01

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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.