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Finding the Fourth Proportional to 540,064.90, 808,542.15 and 524,512.90

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Solution

The fourth proportional to 540,064.90, 808,542.15 and 524,512.90 is: 785,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,064.90 : 808,542.15 = 524,512.90 : x
  2. Step 2: Convert to fraction form
    540,064.90/808,542.15 = 524,512.90/x
  3. Step 3: Cross multiply
    540,064.90x = 808,542.15 × 524,512.90
  4. Step 4: Simplify right side
    540,064.90x = 424,090,787,868.74
  5. Step 5: Solve for x
    x = 424,090,787,868.74/540,064.90
  6. Step 6: Final answer
    x = 785,258.93

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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.