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Finding the Fourth Proportional to 760,605.60, 1,049,594.11 and 416,374.95

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Solution

The fourth proportional to 760,605.60, 1,049,594.11 and 416,374.95 is: 574,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,605.60 : 1,049,594.11 = 416,374.95 : x
  2. Step 2: Convert to fraction form
    760,605.60/1,049,594.11 = 416,374.95/x
  3. Step 3: Cross multiply
    760,605.60x = 1,049,594.11 × 416,374.95
  4. Step 4: Simplify right side
    760,605.60x = 437,024,694,030.61
  5. Step 5: Solve for x
    x = 437,024,694,030.61/760,605.60
  6. Step 6: Final answer
    x = 574,574.65

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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.