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Finding the Fourth Proportional to 581,497.60, 872,246.40 and 370,508.80

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Solution

The fourth proportional to 581,497.60, 872,246.40 and 370,508.80 is: 555,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,497.60 : 872,246.40 = 370,508.80 : x
  2. Step 2: Convert to fraction form
    581,497.60/872,246.40 = 370,508.80/x
  3. Step 3: Cross multiply
    581,497.60x = 872,246.40 × 370,508.80
  4. Step 4: Simplify right side
    581,497.60x = 323,174,966,968.32
  5. Step 5: Solve for x
    x = 323,174,966,968.32/581,497.60
  6. Step 6: Final answer
    x = 555,763.20

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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.