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Finding the Fourth Proportional to 553,252, 829,878.72 and 153,892.80

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Solution

The fourth proportional to 553,252, 829,878.72 and 153,892.80 is: 230,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,252 : 829,878.72 = 153,892.80 : x
  2. Step 2: Convert to fraction form
    553,252/829,878.72 = 153,892.80/x
  3. Step 3: Cross multiply
    553,252x = 829,878.72 × 153,892.80
  4. Step 4: Simplify right side
    553,252x = 127,712,359,881.22
  5. Step 5: Solve for x
    x = 127,712,359,881.22/553,252
  6. Step 6: Final answer
    x = 230,839.40

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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.