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Finding the Fourth Proportional to 602,590,782.60, 903,662,225.10 and 239,009,905.80

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Solution

The fourth proportional to 602,590,782.60, 903,662,225.10 and 239,009,905.80 is: 358,426,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,590,782.60 : 903,662,225.10 = 239,009,905.80 : x
  2. Step 2: Convert to fraction form
    602,590,782.60/903,662,225.10 = 239,009,905.80/x
  3. Step 3: Cross multiply
    602,590,782.60x = 903,662,225.10 × 239,009,905.80
  4. Step 4: Simplify right side
    602,590,782.60x = 215,984,223,296,169,408
  5. Step 5: Solve for x
    x = 215,984,223,296,169,408/602,590,782.60
  6. Step 6: Final answer
    x = 358,426,032.28

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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.