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Finding the Fourth Proportional to 525,548.08, 725,256.16 and 283,830.70

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Solution

The fourth proportional to 525,548.08, 725,256.16 and 283,830.70 is: 391,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,548.08 : 725,256.16 = 283,830.70 : x
  2. Step 2: Convert to fraction form
    525,548.08/725,256.16 = 283,830.70/x
  3. Step 3: Cross multiply
    525,548.08x = 725,256.16 × 283,830.70
  4. Step 4: Simplify right side
    525,548.08x = 205,849,963,572.11
  5. Step 5: Solve for x
    x = 205,849,963,572.11/525,548.08
  6. Step 6: Final answer
    x = 391,686.26

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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.