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Finding the Fourth Proportional to 484,042.80, 724,681.80 and 470,218.80

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Solution

The fourth proportional to 484,042.80, 724,681.80 and 470,218.80 is: 703,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,042.80 : 724,681.80 = 470,218.80 : x
  2. Step 2: Convert to fraction form
    484,042.80/724,681.80 = 470,218.80/x
  3. Step 3: Cross multiply
    484,042.80x = 724,681.80 × 470,218.80
  4. Step 4: Simplify right side
    484,042.80x = 340,759,006,377.84
  5. Step 5: Solve for x
    x = 340,759,006,377.84/484,042.80
  6. Step 6: Final answer
    x = 703,985.28

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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.