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Finding the Fourth Proportional to 735,384.16, 1,014,940 and 449,070.24

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Solution

The fourth proportional to 735,384.16, 1,014,940 and 449,070.24 is: 619,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,384.16 : 1,014,940 = 449,070.24 : x
  2. Step 2: Convert to fraction form
    735,384.16/1,014,940 = 449,070.24/x
  3. Step 3: Cross multiply
    735,384.16x = 1,014,940 × 449,070.24
  4. Step 4: Simplify right side
    735,384.16x = 455,779,349,385.60
  5. Step 5: Solve for x
    x = 455,779,349,385.60/735,384.16
  6. Step 6: Final answer
    x = 619,784.02

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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.