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Finding the Fourth Proportional to 469,221,409.80, 703,832,114.70 and 360,594,869.40

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Solution

The fourth proportional to 469,221,409.80, 703,832,114.70 and 360,594,869.40 is: 540,892,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,221,409.80 : 703,832,114.70 = 360,594,869.40 : x
  2. Step 2: Convert to fraction form
    469,221,409.80/703,832,114.70 = 360,594,869.40/x
  3. Step 3: Cross multiply
    469,221,409.80x = 703,832,114.70 × 360,594,869.40
  4. Step 4: Simplify right side
    469,221,409.80x = 253,798,249,479,772,320
  5. Step 5: Solve for x
    x = 253,798,249,479,772,320/469,221,409.80
  6. Step 6: Final answer
    x = 540,892,304.10

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1.5x scale

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.