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Finding the Fourth Proportional to 469,221,411.80, 703,832,117.70 and 360,594,871.40

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Solution

The fourth proportional to 469,221,411.80, 703,832,117.70 and 360,594,871.40 is: 540,892,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,221,411.80 : 703,832,117.70 = 360,594,871.40 : x
  2. Step 2: Convert to fraction form
    469,221,411.80/703,832,117.70 = 360,594,871.40/x
  3. Step 3: Cross multiply
    469,221,411.80x = 703,832,117.70 × 360,594,871.40
  4. Step 4: Simplify right side
    469,221,411.80x = 253,798,251,969,221,152
  5. Step 5: Solve for x
    x = 253,798,251,969,221,152/469,221,411.80
  6. Step 6: Final answer
    x = 540,892,307.10

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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.