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Finding the Fourth Proportional to 550,292.16, 759,123.68 and 359,417.28

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Solution

The fourth proportional to 550,292.16, 759,123.68 and 359,417.28 is: 495,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,292.16 : 759,123.68 = 359,417.28 : x
  2. Step 2: Convert to fraction form
    550,292.16/759,123.68 = 359,417.28/x
  3. Step 3: Cross multiply
    550,292.16x = 759,123.68 × 359,417.28
  4. Step 4: Simplify right side
    550,292.16x = 272,842,168,249.19
  5. Step 5: Solve for x
    x = 272,842,168,249.19/550,292.16
  6. Step 6: Final answer
    x = 495,813.29

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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.