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Finding the Fourth Proportional to 495,486.02, 746,534.66 and 448,155.74

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Solution

The fourth proportional to 495,486.02, 746,534.66 and 448,155.74 is: 675,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,486.02 : 746,534.66 = 448,155.74 : x
  2. Step 2: Convert to fraction form
    495,486.02/746,534.66 = 448,155.74/x
  3. Step 3: Cross multiply
    495,486.02x = 746,534.66 × 448,155.74
  4. Step 4: Simplify right side
    495,486.02x = 334,563,792,987.95
  5. Step 5: Solve for x
    x = 334,563,792,987.95/495,486.02
  6. Step 6: Final answer
    x = 675,223.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.