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Finding the Fourth Proportional to 277,430.79, 382,813.44 and 168,478.47

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Solution

The fourth proportional to 277,430.79, 382,813.44 and 168,478.47 is: 232,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,430.79 : 382,813.44 = 168,478.47 : x
  2. Step 2: Convert to fraction form
    277,430.79/382,813.44 = 168,478.47/x
  3. Step 3: Cross multiply
    277,430.79x = 382,813.44 × 168,478.47
  4. Step 4: Simplify right side
    277,430.79x = 64,495,822,666.64
  5. Step 5: Solve for x
    x = 64,495,822,666.64/277,430.79
  6. Step 6: Final answer
    x = 232,475.36

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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.