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Finding the Fourth Proportional to 860,035.04, 1,186,862.48 and 472,866.72

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Solution

The fourth proportional to 860,035.04, 1,186,862.48 and 472,866.72 is: 652,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,035.04 : 1,186,862.48 = 472,866.72 : x
  2. Step 2: Convert to fraction form
    860,035.04/1,186,862.48 = 472,866.72/x
  3. Step 3: Cross multiply
    860,035.04x = 1,186,862.48 × 472,866.72
  4. Step 4: Simplify right side
    860,035.04x = 561,227,768,008.67
  5. Step 5: Solve for x
    x = 561,227,768,008.67/860,035.04
  6. Step 6: Final answer
    x = 652,563.84

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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.