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Finding the Fourth Proportional to 397,602,493.80, 596,403,740.70 and 106,514,543.40

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Solution

The fourth proportional to 397,602,493.80, 596,403,740.70 and 106,514,543.40 is: 159,771,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,602,493.80 : 596,403,740.70 = 106,514,543.40 : x
  2. Step 2: Convert to fraction form
    397,602,493.80/596,403,740.70 = 106,514,543.40/x
  3. Step 3: Cross multiply
    397,602,493.80x = 596,403,740.70 × 106,514,543.40
  4. Step 4: Simplify right side
    397,602,493.80x = 63,525,672,122,712,504
  5. Step 5: Solve for x
    x = 63,525,672,122,712,504/397,602,493.80
  6. Step 6: Final answer
    x = 159,771,815.10

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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.