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Finding the Fourth Proportional to 532,862,397.60, 798,159,855.60 and 442,163,133.60

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Solution

The fourth proportional to 532,862,397.60, 798,159,855.60 and 442,163,133.60 is: 662,303,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,862,397.60 : 798,159,855.60 = 442,163,133.60 : x
  2. Step 2: Convert to fraction form
    532,862,397.60/798,159,855.60 = 442,163,133.60/x
  3. Step 3: Cross multiply
    532,862,397.60x = 798,159,855.60 × 442,163,133.60
  4. Step 4: Simplify right side
    532,862,397.60x = 352,916,862,865,819,520
  5. Step 5: Solve for x
    x = 352,916,862,865,819,520/532,862,397.60
  6. Step 6: Final answer
    x = 662,303,935.23

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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.