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Finding the Fourth Proportional to 884,377.16, 1,220,473.14 and 502,468.64

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Solution

The fourth proportional to 884,377.16, 1,220,473.14 and 502,468.64 is: 693,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,377.16 : 1,220,473.14 = 502,468.64 : x
  2. Step 2: Convert to fraction form
    884,377.16/1,220,473.14 = 502,468.64/x
  3. Step 3: Cross multiply
    884,377.16x = 1,220,473.14 × 502,468.64
  4. Step 4: Simplify right side
    884,377.16x = 613,249,478,812.33
  5. Step 5: Solve for x
    x = 613,249,478,812.33/884,377.16
  6. Step 6: Final answer
    x = 693,425.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.