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Finding the Fourth Proportional to 359,281,271.60, 538,921,907.40 and 336,606,455.60

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Solution

The fourth proportional to 359,281,271.60, 538,921,907.40 and 336,606,455.60 is: 504,909,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,281,271.60 : 538,921,907.40 = 336,606,455.60 : x
  2. Step 2: Convert to fraction form
    359,281,271.60/538,921,907.40 = 336,606,455.60/x
  3. Step 3: Cross multiply
    359,281,271.60x = 538,921,907.40 × 336,606,455.60
  4. Step 4: Simplify right side
    359,281,271.60x = 181,404,593,095,105,408
  5. Step 5: Solve for x
    x = 181,404,593,095,105,408/359,281,271.60
  6. Step 6: Final answer
    x = 504,909,683.40

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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.